Home / 1,007,430.20-1,511,145.30-297,457.10

Finding the Fourth Proportional to 1,007,430.20, 1,511,145.30 and 297,457.10

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Solution

The fourth proportional to 1,007,430.20, 1,511,145.30 and 297,457.10 is: 446,185.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,430.20 : 1,511,145.30 = 297,457.10 : x
  2. Step 2: Convert to fraction form
    1,007,430.20/1,511,145.30 = 297,457.10/x
  3. Step 3: Cross multiply
    1,007,430.20x = 1,511,145.30 × 297,457.10
  4. Step 4: Simplify right side
    1,007,430.20x = 449,500,898,616.63
  5. Step 5: Solve for x
    x = 449,500,898,616.63/1,007,430.20
  6. Step 6: Final answer
    x = 446,185.65

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Half scale
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Double scale
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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.