Home / 791,686.71-1,187,531.28-192,644.33

Finding the Fourth Proportional to 791,686.71, 1,187,531.28 and 192,644.33

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Solution

The fourth proportional to 791,686.71, 1,187,531.28 and 192,644.33 is: 288,966.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,686.71 : 1,187,531.28 = 192,644.33 : x
  2. Step 2: Convert to fraction form
    791,686.71/1,187,531.28 = 192,644.33/x
  3. Step 3: Cross multiply
    791,686.71x = 1,187,531.28 × 192,644.33
  4. Step 4: Simplify right side
    791,686.71x = 228,771,161,851.99
  5. Step 5: Solve for x
    x = 228,771,161,851.99/791,686.71
  6. Step 6: Final answer
    x = 288,966.78

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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.