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Finding the Fourth Proportional to 575,801.87, 861,931.33 and 375,691.37

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Solution

The fourth proportional to 575,801.87, 861,931.33 and 375,691.37 is: 562,381.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,801.87 : 861,931.33 = 375,691.37 : x
  2. Step 2: Convert to fraction form
    575,801.87/861,931.33 = 375,691.37/x
  3. Step 3: Cross multiply
    575,801.87x = 861,931.33 × 375,691.37
  4. Step 4: Simplify right side
    575,801.87x = 323,820,156,964.74
  5. Step 5: Solve for x
    x = 323,820,156,964.74/575,801.87
  6. Step 6: Final answer
    x = 562,381.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.