Home / 791,024.78-1,186,524.63-191,990.90

Finding the Fourth Proportional to 791,024.78, 1,186,524.63 and 191,990.90

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Solution

The fourth proportional to 791,024.78, 1,186,524.63 and 191,990.90 is: 287,983.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,024.78 : 1,186,524.63 = 191,990.90 : x
  2. Step 2: Convert to fraction form
    791,024.78/1,186,524.63 = 191,990.90/x
  3. Step 3: Cross multiply
    791,024.78x = 1,186,524.63 × 191,990.90
  4. Step 4: Simplify right side
    791,024.78x = 227,801,931,585.87
  5. Step 5: Solve for x
    x = 227,801,931,585.87/791,024.78
  6. Step 6: Final answer
    x = 287,983.31

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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.