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Finding the Fourth Proportional to 577,310.70, 867,002.85 and 419,717.10

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Solution

The fourth proportional to 577,310.70, 867,002.85 and 419,717.10 is: 630,329.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,310.70 : 867,002.85 = 419,717.10 : x
  2. Step 2: Convert to fraction form
    577,310.70/867,002.85 = 419,717.10/x
  3. Step 3: Cross multiply
    577,310.70x = 867,002.85 × 419,717.10
  4. Step 4: Simplify right side
    577,310.70x = 363,895,921,893.74
  5. Step 5: Solve for x
    x = 363,895,921,893.74/577,310.70
  6. Step 6: Final answer
    x = 630,329.43

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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.