Home / 681,508.34-1,020,952.32-381,077.72

Finding the Fourth Proportional to 681,508.34, 1,020,952.32 and 381,077.72

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Solution

The fourth proportional to 681,508.34, 1,020,952.32 and 381,077.72 is: 570,883.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,508.34 : 1,020,952.32 = 381,077.72 : x
  2. Step 2: Convert to fraction form
    681,508.34/1,020,952.32 = 381,077.72/x
  3. Step 3: Cross multiply
    681,508.34x = 1,020,952.32 × 381,077.72
  4. Step 4: Simplify right side
    681,508.34x = 389,062,182,334.31
  5. Step 5: Solve for x
    x = 389,062,182,334.31/681,508.34
  6. Step 6: Final answer
    x = 570,883.96

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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.