Home / 663,604.20-915,734.34-377,084.52

Finding the Fourth Proportional to 663,604.20, 915,734.34 and 377,084.52

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Solution

The fourth proportional to 663,604.20, 915,734.34 and 377,084.52 is: 520,354.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,604.20 : 915,734.34 = 377,084.52 : x
  2. Step 2: Convert to fraction form
    663,604.20/915,734.34 = 377,084.52/x
  3. Step 3: Cross multiply
    663,604.20x = 915,734.34 × 377,084.52
  4. Step 4: Simplify right side
    663,604.20x = 345,309,244,046.42
  5. Step 5: Solve for x
    x = 345,309,244,046.42/663,604.20
  6. Step 6: Final answer
    x = 520,354.22

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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.