Home / 908,800.20-1,363,200.30-460,902.60

Finding the Fourth Proportional to 908,800.20, 1,363,200.30 and 460,902.60

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Solution

The fourth proportional to 908,800.20, 1,363,200.30 and 460,902.60 is: 691,353.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,800.20 : 1,363,200.30 = 460,902.60 : x
  2. Step 2: Convert to fraction form
    908,800.20/1,363,200.30 = 460,902.60/x
  3. Step 3: Cross multiply
    908,800.20x = 1,363,200.30 × 460,902.60
  4. Step 4: Simplify right side
    908,800.20x = 628,302,562,590.78
  5. Step 5: Solve for x
    x = 628,302,562,590.78/908,800.20
  6. Step 6: Final answer
    x = 691,353.90

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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.