Home / 386,882.65-579,831.90-344,564.20

Finding the Fourth Proportional to 386,882.65, 579,831.90 and 344,564.20

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Solution

The fourth proportional to 386,882.65, 579,831.90 and 344,564.20 is: 516,408.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,882.65 : 579,831.90 = 344,564.20 : x
  2. Step 2: Convert to fraction form
    386,882.65/579,831.90 = 344,564.20/x
  3. Step 3: Cross multiply
    386,882.65x = 579,831.90 × 344,564.20
  4. Step 4: Simplify right side
    386,882.65x = 199,789,314,757.98
  5. Step 5: Solve for x
    x = 199,789,314,757.98/386,882.65
  6. Step 6: Final answer
    x = 516,408.05

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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.