Home / 527,343.36-727,733.52-285,625.86

Finding the Fourth Proportional to 527,343.36, 727,733.52 and 285,625.86

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Solution

The fourth proportional to 527,343.36, 727,733.52 and 285,625.86 is: 394,163.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,343.36 : 727,733.52 = 285,625.86 : x
  2. Step 2: Convert to fraction form
    527,343.36/727,733.52 = 285,625.86/x
  3. Step 3: Cross multiply
    527,343.36x = 727,733.52 × 285,625.86
  4. Step 4: Simplify right side
    527,343.36x = 207,859,512,500.83
  5. Step 5: Solve for x
    x = 207,859,512,500.83/527,343.36
  6. Step 6: Final answer
    x = 394,163.52

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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.