Home / 908,805.20-1,363,207.80-731,658.20

Finding the Fourth Proportional to 908,805.20, 1,363,207.80 and 731,658.20

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Solution

The fourth proportional to 908,805.20, 1,363,207.80 and 731,658.20 is: 1,097,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,805.20 : 1,363,207.80 = 731,658.20 : x
  2. Step 2: Convert to fraction form
    908,805.20/1,363,207.80 = 731,658.20/x
  3. Step 3: Cross multiply
    908,805.20x = 1,363,207.80 × 731,658.20
  4. Step 4: Simplify right side
    908,805.20x = 997,402,165,173.96
  5. Step 5: Solve for x
    x = 997,402,165,173.96/908,805.20
  6. Step 6: Final answer
    x = 1,097,487.30

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Double scale
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Similar ratio
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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.