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Finding the Fourth Proportional to 581,371.53, 801,793.12 and 377,221.29

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Solution

The fourth proportional to 581,371.53, 801,793.12 and 377,221.29 is: 520,241.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,371.53 : 801,793.12 = 377,221.29 : x
  2. Step 2: Convert to fraction form
    581,371.53/801,793.12 = 377,221.29/x
  3. Step 3: Cross multiply
    581,371.53x = 801,793.12 × 377,221.29
  4. Step 4: Simplify right side
    581,371.53x = 302,453,435,039.53
  5. Step 5: Solve for x
    x = 302,453,435,039.53/581,371.53
  6. Step 6: Final answer
    x = 520,241.22

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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.