Home / 527,452.26-727,881.20-285,739.55

Finding the Fourth Proportional to 527,452.26, 727,881.20 and 285,739.55

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Solution

The fourth proportional to 527,452.26, 727,881.20 and 285,739.55 is: 394,319.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,452.26 : 727,881.20 = 285,739.55 : x
  2. Step 2: Convert to fraction form
    527,452.26/727,881.20 = 285,739.55/x
  3. Step 3: Cross multiply
    527,452.26x = 727,881.20 × 285,739.55
  4. Step 4: Simplify right side
    527,452.26x = 207,984,445,956.82
  5. Step 5: Solve for x
    x = 207,984,445,956.82/527,452.26
  6. Step 6: Final answer
    x = 394,319.00

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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.