Home / 908,803.70-1,363,205.55-460,906.10

Finding the Fourth Proportional to 908,803.70, 1,363,205.55 and 460,906.10

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Solution

The fourth proportional to 908,803.70, 1,363,205.55 and 460,906.10 is: 691,359.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,803.70 : 1,363,205.55 = 460,906.10 : x
  2. Step 2: Convert to fraction form
    908,803.70/1,363,205.55 = 460,906.10/x
  3. Step 3: Cross multiply
    908,803.70x = 1,363,205.55 × 460,906.10
  4. Step 4: Simplify right side
    908,803.70x = 628,309,753,548.86
  5. Step 5: Solve for x
    x = 628,309,753,548.86/908,803.70
  6. Step 6: Final answer
    x = 691,359.15

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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.