Home / 1,048,469.70-1,572,704.55-338,520.90

Finding the Fourth Proportional to 1,048,469.70, 1,572,704.55 and 338,520.90

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Solution

The fourth proportional to 1,048,469.70, 1,572,704.55 and 338,520.90 is: 507,781.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,469.70 : 1,572,704.55 = 338,520.90 : x
  2. Step 2: Convert to fraction form
    1,048,469.70/1,572,704.55 = 338,520.90/x
  3. Step 3: Cross multiply
    1,048,469.70x = 1,572,704.55 × 338,520.90
  4. Step 4: Simplify right side
    1,048,469.70x = 532,393,359,700.10
  5. Step 5: Solve for x
    x = 532,393,359,700.10/1,048,469.70
  6. Step 6: Final answer
    x = 507,781.35

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Double scale
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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.