Home / 908,767.20-1,363,150.80-820,193.70

Finding the Fourth Proportional to 908,767.20, 1,363,150.80 and 820,193.70

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Solution

The fourth proportional to 908,767.20, 1,363,150.80 and 820,193.70 is: 1,230,290.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,767.20 : 1,363,150.80 = 820,193.70 : x
  2. Step 2: Convert to fraction form
    908,767.20/1,363,150.80 = 820,193.70/x
  3. Step 3: Cross multiply
    908,767.20x = 1,363,150.80 × 820,193.70
  4. Step 4: Simplify right side
    908,767.20x = 1,118,047,698,309.96
  5. Step 5: Solve for x
    x = 1,118,047,698,309.96/908,767.20
  6. Step 6: Final answer
    x = 1,230,290.55

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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.