Home / 487,831.41-731,743.00-381,304.97

Finding the Fourth Proportional to 487,831.41, 731,743.00 and 381,304.97

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Solution

The fourth proportional to 487,831.41, 731,743.00 and 381,304.97 is: 571,954.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,831.41 : 731,743.00 = 381,304.97 : x
  2. Step 2: Convert to fraction form
    487,831.41/731,743.00 = 381,304.97/x
  3. Step 3: Cross multiply
    487,831.41x = 731,743.00 × 381,304.97
  4. Step 4: Simplify right side
    487,831.41x = 279,017,242,939.61
  5. Step 5: Solve for x
    x = 279,017,242,939.61/487,831.41
  6. Step 6: Final answer
    x = 571,954.24

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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.