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Finding the Fourth Proportional to 659,564.38, 908,954.89 and 528,593.27

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Solution

The fourth proportional to 659,564.38, 908,954.89 and 528,593.27 is: 728,461.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,564.38 : 908,954.89 = 528,593.27 : x
  2. Step 2: Convert to fraction form
    659,564.38/908,954.89 = 528,593.27/x
  3. Step 3: Cross multiply
    659,564.38x = 908,954.89 × 528,593.27
  4. Step 4: Simplify right side
    659,564.38x = 480,467,434,944.62
  5. Step 5: Solve for x
    x = 480,467,434,944.62/659,564.38
  6. Step 6: Final answer
    x = 728,461.77

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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.