Home / 657,851.04-907,834.17-356,045.04

Finding the Fourth Proportional to 657,851.04, 907,834.17 and 356,045.04

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Solution

The fourth proportional to 657,851.04, 907,834.17 and 356,045.04 is: 491,342.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,851.04 : 907,834.17 = 356,045.04 : x
  2. Step 2: Convert to fraction form
    657,851.04/907,834.17 = 356,045.04/x
  3. Step 3: Cross multiply
    657,851.04x = 907,834.17 × 356,045.04
  4. Step 4: Simplify right side
    657,851.04x = 323,229,853,371.02
  5. Step 5: Solve for x
    x = 323,229,853,371.02/657,851.04
  6. Step 6: Final answer
    x = 491,342.01

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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.