Home / 908,760.20-1,363,140.30-731,613.20

Finding the Fourth Proportional to 908,760.20, 1,363,140.30 and 731,613.20

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Solution

The fourth proportional to 908,760.20, 1,363,140.30 and 731,613.20 is: 1,097,419.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,760.20 : 1,363,140.30 = 731,613.20 : x
  2. Step 2: Convert to fraction form
    908,760.20/1,363,140.30 = 731,613.20/x
  3. Step 3: Cross multiply
    908,760.20x = 1,363,140.30 × 731,613.20
  4. Step 4: Simplify right side
    908,760.20x = 997,291,436,931.96
  5. Step 5: Solve for x
    x = 997,291,436,931.96/908,760.20
  6. Step 6: Final answer
    x = 1,097,419.80

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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.