Home / 743,091.35-1,025,466.02-420,863.73

Finding the Fourth Proportional to 743,091.35, 1,025,466.02 and 420,863.73

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Solution

The fourth proportional to 743,091.35, 1,025,466.02 and 420,863.73 is: 580,791.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,091.35 : 1,025,466.02 = 420,863.73 : x
  2. Step 2: Convert to fraction form
    743,091.35/1,025,466.02 = 420,863.73/x
  3. Step 3: Cross multiply
    743,091.35x = 1,025,466.02 × 420,863.73
  4. Step 4: Simplify right side
    743,091.35x = 431,581,452,061.14
  5. Step 5: Solve for x
    x = 431,581,452,061.14/743,091.35
  6. Step 6: Final answer
    x = 580,791.92

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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.