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Finding the Fourth Proportional to 475,572.44, 656,294.64 and 260,716.88

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Solution

The fourth proportional to 475,572.44, 656,294.64 and 260,716.88 is: 359,791.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,572.44 : 656,294.64 = 260,716.88 : x
  2. Step 2: Convert to fraction form
    475,572.44/656,294.64 = 260,716.88/x
  3. Step 3: Cross multiply
    475,572.44x = 656,294.64 × 260,716.88
  4. Step 4: Simplify right side
    475,572.44x = 171,107,090,901.52
  5. Step 5: Solve for x
    x = 171,107,090,901.52/475,572.44
  6. Step 6: Final answer
    x = 359,791.86

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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.