Home / 657,738.52-907,679.96-355,932.52

Finding the Fourth Proportional to 657,738.52, 907,679.96 and 355,932.52

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Solution

The fourth proportional to 657,738.52, 907,679.96 and 355,932.52 is: 491,187.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,738.52 : 907,679.96 = 355,932.52 : x
  2. Step 2: Convert to fraction form
    657,738.52/907,679.96 = 355,932.52/x
  3. Step 3: Cross multiply
    657,738.52x = 907,679.96 × 355,932.52
  4. Step 4: Simplify right side
    657,738.52x = 323,072,815,516.30
  5. Step 5: Solve for x
    x = 323,072,815,516.30/657,738.52
  6. Step 6: Final answer
    x = 491,187.31

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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.