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Finding the Fourth Proportional to 657,773.88, 907,730.86 and 355,967.96

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Solution

The fourth proportional to 657,773.88, 907,730.86 and 355,967.96 is: 491,237.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,773.88 : 907,730.86 = 355,967.96 : x
  2. Step 2: Convert to fraction form
    657,773.88/907,730.86 = 355,967.96/x
  3. Step 3: Cross multiply
    657,773.88x = 907,730.86 × 355,967.96
  4. Step 4: Simplify right side
    657,773.88x = 323,123,102,463.25
  5. Step 5: Solve for x
    x = 323,123,102,463.25/657,773.88
  6. Step 6: Final answer
    x = 491,237.36

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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.