Home / 457,780.41-631,733.86-253,831.27

Finding the Fourth Proportional to 457,780.41, 631,733.86 and 253,831.27

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Solution

The fourth proportional to 457,780.41, 631,733.86 and 253,831.27 is: 350,285.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,780.41 : 631,733.86 = 253,831.27 : x
  2. Step 2: Convert to fraction form
    457,780.41/631,733.86 = 253,831.27/x
  3. Step 3: Cross multiply
    457,780.41x = 631,733.86 × 253,831.27
  4. Step 4: Simplify right side
    457,780.41x = 160,353,807,194.36
  5. Step 5: Solve for x
    x = 160,353,807,194.36/457,780.41
  6. Step 6: Final answer
    x = 350,285.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.