Home / 925,966.89-1,389,199.92-386,043.71

Finding the Fourth Proportional to 925,966.89, 1,389,199.92 and 386,043.71

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Solution

The fourth proportional to 925,966.89, 1,389,199.92 and 386,043.71 is: 579,169.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,966.89 : 1,389,199.92 = 386,043.71 : x
  2. Step 2: Convert to fraction form
    925,966.89/1,389,199.92 = 386,043.71/x
  3. Step 3: Cross multiply
    925,966.89x = 1,389,199.92 × 386,043.71
  4. Step 4: Simplify right side
    925,966.89x = 536,291,882,654.84
  5. Step 5: Solve for x
    x = 536,291,882,654.84/925,966.89
  6. Step 6: Final answer
    x = 579,169.61

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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.