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Finding the Fourth Proportional to 659,170.88, 908,776.32 and 523,654.72

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Solution

The fourth proportional to 659,170.88, 908,776.32 and 523,654.72 is: 721,944.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,170.88 : 908,776.32 = 523,654.72 : x
  2. Step 2: Convert to fraction form
    659,170.88/908,776.32 = 523,654.72/x
  3. Step 3: Cross multiply
    659,170.88x = 908,776.32 × 523,654.72
  4. Step 4: Simplify right side
    659,170.88x = 475,885,009,392.23
  5. Step 5: Solve for x
    x = 475,885,009,392.23/659,170.88
  6. Step 6: Final answer
    x = 721,944.83

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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.