Home / 527,322.60-727,707.06-285,604.56

Finding the Fourth Proportional to 527,322.60, 727,707.06 and 285,604.56

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Solution

The fourth proportional to 527,322.60, 727,707.06 and 285,604.56 is: 394,135.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,322.60 : 727,707.06 = 285,604.56 : x
  2. Step 2: Convert to fraction form
    527,322.60/727,707.06 = 285,604.56/x
  3. Step 3: Cross multiply
    527,322.60x = 727,707.06 × 285,604.56
  4. Step 4: Simplify right side
    527,322.60x = 207,836,454,680.19
  5. Step 5: Solve for x
    x = 207,836,454,680.19/527,322.60
  6. Step 6: Final answer
    x = 394,135.31

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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.