Home / 657,839.52-907,842.06-371,410.56

Finding the Fourth Proportional to 657,839.52, 907,842.06 and 371,410.56

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Solution

The fourth proportional to 657,839.52, 907,842.06 and 371,410.56 is: 512,559.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,839.52 : 907,842.06 = 371,410.56 : x
  2. Step 2: Convert to fraction form
    657,839.52/907,842.06 = 371,410.56/x
  3. Step 3: Cross multiply
    657,839.52x = 907,842.06 × 371,410.56
  4. Step 4: Simplify right side
    657,839.52x = 337,182,127,896.15
  5. Step 5: Solve for x
    x = 337,182,127,896.15/657,839.52
  6. Step 6: Final answer
    x = 512,559.85

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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.