Home / 681,275.41-940,184.69-423,294.61

Finding the Fourth Proportional to 681,275.41, 940,184.69 and 423,294.61

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Solution

The fourth proportional to 681,275.41, 940,184.69 and 423,294.61 is: 584,161.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,275.41 : 940,184.69 = 423,294.61 : x
  2. Step 2: Convert to fraction form
    681,275.41/940,184.69 = 423,294.61/x
  3. Step 3: Cross multiply
    681,275.41x = 940,184.69 × 423,294.61
  4. Step 4: Simplify right side
    681,275.41x = 397,975,112,548.98
  5. Step 5: Solve for x
    x = 397,975,112,548.98/681,275.41
  6. Step 6: Final answer
    x = 584,161.86

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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.