Home / 1,007,378.80-1,511,232.24-297,478.60

Finding the Fourth Proportional to 1,007,378.80, 1,511,232.24 and 297,478.60

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Solution

The fourth proportional to 1,007,378.80, 1,511,232.24 and 297,478.60 is: 446,266.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,378.80 : 1,511,232.24 = 297,478.60 : x
  2. Step 2: Convert to fraction form
    1,007,378.80/1,511,232.24 = 297,478.60/x
  3. Step 3: Cross multiply
    1,007,378.80x = 1,511,232.24 × 297,478.60
  4. Step 4: Simplify right side
    1,007,378.80x = 449,559,251,030.06
  5. Step 5: Solve for x
    x = 449,559,251,030.06/1,007,378.80
  6. Step 6: Final answer
    x = 446,266.34

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Double scale
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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.