Home / 767,736.20-1,151,604.30-747,000.20

Finding the Fourth Proportional to 767,736.20, 1,151,604.30 and 747,000.20

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Solution

The fourth proportional to 767,736.20, 1,151,604.30 and 747,000.20 is: 1,120,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,736.20 : 1,151,604.30 = 747,000.20 : x
  2. Step 2: Convert to fraction form
    767,736.20/1,151,604.30 = 747,000.20/x
  3. Step 3: Cross multiply
    767,736.20x = 1,151,604.30 × 747,000.20
  4. Step 4: Simplify right side
    767,736.20x = 860,248,642,420.86
  5. Step 5: Solve for x
    x = 860,248,642,420.86/767,736.20
  6. Step 6: Final answer
    x = 1,120,500.30

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Similar ratio
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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.