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Finding the Fourth Proportional to 408,752.40, 614,165.40 and 363,133.20

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Solution

The fourth proportional to 408,752.40, 614,165.40 and 363,133.20 is: 545,620.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,752.40 : 614,165.40 = 363,133.20 : x
  2. Step 2: Convert to fraction form
    408,752.40/614,165.40 = 363,133.20/x
  3. Step 3: Cross multiply
    408,752.40x = 614,165.40 × 363,133.20
  4. Step 4: Simplify right side
    408,752.40x = 223,023,847,031.28
  5. Step 5: Solve for x
    x = 223,023,847,031.28/408,752.40
  6. Step 6: Final answer
    x = 545,620.89

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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.