Home / 726,158.20-1,086,645.30-460,046.20

Finding the Fourth Proportional to 726,158.20, 1,086,645.30 and 460,046.20

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Solution

The fourth proportional to 726,158.20, 1,086,645.30 and 460,046.20 is: 688,427.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,158.20 : 1,086,645.30 = 460,046.20 : x
  2. Step 2: Convert to fraction form
    726,158.20/1,086,645.30 = 460,046.20/x
  3. Step 3: Cross multiply
    726,158.20x = 1,086,645.30 × 460,046.20
  4. Step 4: Simplify right side
    726,158.20x = 499,907,041,012.86
  5. Step 5: Solve for x
    x = 499,907,041,012.86/726,158.20
  6. Step 6: Final answer
    x = 688,427.18

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Double scale
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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.