Home / 724,237.20-1,086,355.80-454,580.10

Finding the Fourth Proportional to 724,237.20, 1,086,355.80 and 454,580.10

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Solution

The fourth proportional to 724,237.20, 1,086,355.80 and 454,580.10 is: 681,870.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,237.20 : 1,086,355.80 = 454,580.10 : x
  2. Step 2: Convert to fraction form
    724,237.20/1,086,355.80 = 454,580.10/x
  3. Step 3: Cross multiply
    724,237.20x = 1,086,355.80 × 454,580.10
  4. Step 4: Simplify right side
    724,237.20x = 493,835,728,199.58
  5. Step 5: Solve for x
    x = 493,835,728,199.58/724,237.20
  6. Step 6: Final answer
    x = 681,870.15

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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.