Home / 1,007,469.20-1,511,203.80-297,496.10

Finding the Fourth Proportional to 1,007,469.20, 1,511,203.80 and 297,496.10

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Solution

The fourth proportional to 1,007,469.20, 1,511,203.80 and 297,496.10 is: 446,244.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,469.20 : 1,511,203.80 = 297,496.10 : x
  2. Step 2: Convert to fraction form
    1,007,469.20/1,511,203.80 = 297,496.10/x
  3. Step 3: Cross multiply
    1,007,469.20x = 1,511,203.80 × 297,496.10
  4. Step 4: Simplify right side
    1,007,469.20x = 449,577,236,805.18
  5. Step 5: Solve for x
    x = 449,577,236,805.18/1,007,469.20
  6. Step 6: Final answer
    x = 446,244.15

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Half scale
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Double scale
Find fourth proportional to 1,007,470.20, 1,511,205.30 and 297,497.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.