Home / 542,732.18-748,105.29-427,823.55

Finding the Fourth Proportional to 542,732.18, 748,105.29 and 427,823.55

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Solution

The fourth proportional to 542,732.18, 748,105.29 and 427,823.55 is: 589,714.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,732.18 : 748,105.29 = 427,823.55 : x
  2. Step 2: Convert to fraction form
    542,732.18/748,105.29 = 427,823.55/x
  3. Step 3: Cross multiply
    542,732.18x = 748,105.29 × 427,823.55
  4. Step 4: Simplify right side
    542,732.18x = 320,057,060,941.58
  5. Step 5: Solve for x
    x = 320,057,060,941.58/542,732.18
  6. Step 6: Final answer
    x = 589,714.55

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1.5x scale

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.