Home / 851,687.93-1,274,874.69-627,301.73

Finding the Fourth Proportional to 851,687.93, 1,274,874.69 and 627,301.73

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Solution

The fourth proportional to 851,687.93, 1,274,874.69 and 627,301.73 is: 938,995.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,687.93 : 1,274,874.69 = 627,301.73 : x
  2. Step 2: Convert to fraction form
    851,687.93/1,274,874.69 = 627,301.73/x
  3. Step 3: Cross multiply
    851,687.93x = 1,274,874.69 × 627,301.73
  4. Step 4: Simplify right side
    851,687.93x = 799,731,098,570.21
  5. Step 5: Solve for x
    x = 799,731,098,570.21/851,687.93
  6. Step 6: Final answer
    x = 938,995.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.