Home / 657,092.04-985,635.20-257,450.60

Finding the Fourth Proportional to 657,092.04, 985,635.20 and 257,450.60

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Solution

The fourth proportional to 657,092.04, 985,635.20 and 257,450.60 is: 386,174.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,092.04 : 985,635.20 = 257,450.60 : x
  2. Step 2: Convert to fraction form
    657,092.04/985,635.20 = 257,450.60/x
  3. Step 3: Cross multiply
    657,092.04x = 985,635.20 × 257,450.60
  4. Step 4: Simplify right side
    657,092.04x = 253,752,373,621.12
  5. Step 5: Solve for x
    x = 253,752,373,621.12/657,092.04
  6. Step 6: Final answer
    x = 386,174.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.