Home / 747,803.20-1,121,469.50-242,246.88

Finding the Fourth Proportional to 747,803.20, 1,121,469.50 and 242,246.88

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Solution

The fourth proportional to 747,803.20, 1,121,469.50 and 242,246.88 is: 363,294.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,803.20 : 1,121,469.50 = 242,246.88 : x
  2. Step 2: Convert to fraction form
    747,803.20/1,121,469.50 = 242,246.88/x
  3. Step 3: Cross multiply
    747,803.20x = 1,121,469.50 × 242,246.88
  4. Step 4: Simplify right side
    747,803.20x = 271,672,487,390.16
  5. Step 5: Solve for x
    x = 271,672,487,390.16/747,803.20
  6. Step 6: Final answer
    x = 363,294.10

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1.5x scale

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.