Home / 724,839.18-1,087,174.32-192,401.58

Finding the Fourth Proportional to 724,839.18, 1,087,174.32 and 192,401.58

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Solution

The fourth proportional to 724,839.18, 1,087,174.32 and 192,401.58 is: 288,579.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,839.18 : 1,087,174.32 = 192,401.58 : x
  2. Step 2: Convert to fraction form
    724,839.18/1,087,174.32 = 192,401.58/x
  3. Step 3: Cross multiply
    724,839.18x = 1,087,174.32 × 192,401.58
  4. Step 4: Simplify right side
    724,839.18x = 209,174,056,903.43
  5. Step 5: Solve for x
    x = 209,174,056,903.43/724,839.18
  6. Step 6: Final answer
    x = 288,579.95

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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.