Home / 384,320.20-574,925.10-337,664.20

Finding the Fourth Proportional to 384,320.20, 574,925.10 and 337,664.20

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Solution

The fourth proportional to 384,320.20, 574,925.10 and 337,664.20 is: 505,129.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,320.20 : 574,925.10 = 337,664.20 : x
  2. Step 2: Convert to fraction form
    384,320.20/574,925.10 = 337,664.20/x
  3. Step 3: Cross multiply
    384,320.20x = 574,925.10 × 337,664.20
  4. Step 4: Simplify right side
    384,320.20x = 194,131,623,951.42
  5. Step 5: Solve for x
    x = 194,131,623,951.42/384,320.20
  6. Step 6: Final answer
    x = 505,129.90

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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.