Home / 475,577.27-656,279.04-257,781.27

Finding the Fourth Proportional to 475,577.27, 656,279.04 and 257,781.27

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Solution

The fourth proportional to 475,577.27, 656,279.04 and 257,781.27 is: 355,728.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,577.27 : 656,279.04 = 257,781.27 : x
  2. Step 2: Convert to fraction form
    475,577.27/656,279.04 = 257,781.27/x
  3. Step 3: Cross multiply
    475,577.27x = 656,279.04 × 257,781.27
  4. Step 4: Simplify right side
    475,577.27x = 169,176,444,405.58
  5. Step 5: Solve for x
    x = 169,176,444,405.58/475,577.27
  6. Step 6: Final answer
    x = 355,728.62

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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.