Home / 754,314.30-1,132,783.65-400,020.30

Finding the Fourth Proportional to 754,314.30, 1,132,783.65 and 400,020.30

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Solution

The fourth proportional to 754,314.30, 1,132,783.65 and 400,020.30 is: 600,726.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,314.30 : 1,132,783.65 = 400,020.30 : x
  2. Step 2: Convert to fraction form
    754,314.30/1,132,783.65 = 400,020.30/x
  3. Step 3: Cross multiply
    754,314.30x = 1,132,783.65 × 400,020.30
  4. Step 4: Simplify right side
    754,314.30x = 453,136,455,508.10
  5. Step 5: Solve for x
    x = 453,136,455,508.10/754,314.30
  6. Step 6: Final answer
    x = 600,726.32

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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.