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Finding the Fourth Proportional to 650,578.69, 897,892.87 and 374,882.91

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Solution

The fourth proportional to 650,578.69, 897,892.87 and 374,882.91 is: 517,392.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,578.69 : 897,892.87 = 374,882.91 : x
  2. Step 2: Convert to fraction form
    650,578.69/897,892.87 = 374,882.91/x
  3. Step 3: Cross multiply
    650,578.69x = 897,892.87 × 374,882.91
  4. Step 4: Simplify right side
    650,578.69x = 336,604,687,924.97
  5. Step 5: Solve for x
    x = 336,604,687,924.97/650,578.69
  6. Step 6: Final answer
    x = 517,392.74

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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.