Home / 748,878.80-1,123,318.20-674,229.20

Finding the Fourth Proportional to 748,878.80, 1,123,318.20 and 674,229.20

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Solution

The fourth proportional to 748,878.80, 1,123,318.20 and 674,229.20 is: 1,011,343.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,878.80 : 1,123,318.20 = 674,229.20 : x
  2. Step 2: Convert to fraction form
    748,878.80/1,123,318.20 = 674,229.20/x
  3. Step 3: Cross multiply
    748,878.80x = 1,123,318.20 × 674,229.20
  4. Step 4: Simplify right side
    748,878.80x = 757,373,931,331.44
  5. Step 5: Solve for x
    x = 757,373,931,331.44/748,878.80
  6. Step 6: Final answer
    x = 1,011,343.80

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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.