Home / 908,755.20-1,363,132.80-820,181.70

Finding the Fourth Proportional to 908,755.20, 1,363,132.80 and 820,181.70

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Solution

The fourth proportional to 908,755.20, 1,363,132.80 and 820,181.70 is: 1,230,272.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,755.20 : 1,363,132.80 = 820,181.70 : x
  2. Step 2: Convert to fraction form
    908,755.20/1,363,132.80 = 820,181.70/x
  3. Step 3: Cross multiply
    908,755.20x = 1,363,132.80 × 820,181.70
  4. Step 4: Simplify right side
    908,755.20x = 1,118,016,577,229.76
  5. Step 5: Solve for x
    x = 1,118,016,577,229.76/908,755.20
  6. Step 6: Final answer
    x = 1,230,272.55

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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.