Home / 891,587.52-1,230,366.60-542,596.86

Finding the Fourth Proportional to 891,587.52, 1,230,366.60 and 542,596.86

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Solution

The fourth proportional to 891,587.52, 1,230,366.60 and 542,596.86 is: 748,768.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,587.52 : 1,230,366.60 = 542,596.86 : x
  2. Step 2: Convert to fraction form
    891,587.52/1,230,366.60 = 542,596.86/x
  3. Step 3: Cross multiply
    891,587.52x = 1,230,366.60 × 542,596.86
  4. Step 4: Simplify right side
    891,587.52x = 667,593,053,808.88
  5. Step 5: Solve for x
    x = 667,593,053,808.88/891,587.52
  6. Step 6: Final answer
    x = 748,768.95

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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.