Home / 743,113.10-1,025,502.10-403,583.78

Finding the Fourth Proportional to 743,113.10, 1,025,502.10 and 403,583.78

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Solution

The fourth proportional to 743,113.10, 1,025,502.10 and 403,583.78 is: 556,948.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,113.10 : 1,025,502.10 = 403,583.78 : x
  2. Step 2: Convert to fraction form
    743,113.10/1,025,502.10 = 403,583.78/x
  3. Step 3: Cross multiply
    743,113.10x = 1,025,502.10 × 403,583.78
  4. Step 4: Simplify right side
    743,113.10x = 413,876,007,779.47
  5. Step 5: Solve for x
    x = 413,876,007,779.47/743,113.10
  6. Step 6: Final answer
    x = 556,948.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.