Home / 791,607.57-1,186,691.68-412,082.43

Finding the Fourth Proportional to 791,607.57, 1,186,691.68 and 412,082.43

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Solution

The fourth proportional to 791,607.57, 1,186,691.68 and 412,082.43 is: 617,749.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,607.57 : 1,186,691.68 = 412,082.43 : x
  2. Step 2: Convert to fraction form
    791,607.57/1,186,691.68 = 412,082.43/x
  3. Step 3: Cross multiply
    791,607.57x = 1,186,691.68 × 412,082.43
  4. Step 4: Simplify right side
    791,607.57x = 489,014,791,155.18
  5. Step 5: Solve for x
    x = 489,014,791,155.18/791,607.57
  6. Step 6: Final answer
    x = 617,749.01

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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.