Home / 724,165.20-1,087,414.20-488,552.40

Finding the Fourth Proportional to 724,165.20, 1,087,414.20 and 488,552.40

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Solution

The fourth proportional to 724,165.20, 1,087,414.20 and 488,552.40 is: 733,615.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,165.20 : 1,087,414.20 = 488,552.40 : x
  2. Step 2: Convert to fraction form
    724,165.20/1,087,414.20 = 488,552.40/x
  3. Step 3: Cross multiply
    724,165.20x = 1,087,414.20 × 488,552.40
  4. Step 4: Simplify right side
    724,165.20x = 531,258,817,204.08
  5. Step 5: Solve for x
    x = 531,258,817,204.08/724,165.20
  6. Step 6: Final answer
    x = 733,615.50

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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.