Home / 791,024.28-1,186,523.88-191,990.40

Finding the Fourth Proportional to 791,024.28, 1,186,523.88 and 191,990.40

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Solution

The fourth proportional to 791,024.28, 1,186,523.88 and 191,990.40 is: 287,982.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,024.28 : 1,186,523.88 = 191,990.40 : x
  2. Step 2: Convert to fraction form
    791,024.28/1,186,523.88 = 191,990.40/x
  3. Step 3: Cross multiply
    791,024.28x = 1,186,523.88 × 191,990.40
  4. Step 4: Simplify right side
    791,024.28x = 227,801,194,330.75
  5. Step 5: Solve for x
    x = 227,801,194,330.75/791,024.28
  6. Step 6: Final answer
    x = 287,982.56

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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.