Home / 681,042.24-939,005.52-425,950.56

Finding the Fourth Proportional to 681,042.24, 939,005.52 and 425,950.56

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Solution

The fourth proportional to 681,042.24, 939,005.52 and 425,950.56 is: 587,290.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,042.24 : 939,005.52 = 425,950.56 : x
  2. Step 2: Convert to fraction form
    681,042.24/939,005.52 = 425,950.56/x
  3. Step 3: Cross multiply
    681,042.24x = 939,005.52 × 425,950.56
  4. Step 4: Simplify right side
    681,042.24x = 399,969,927,087.09
  5. Step 5: Solve for x
    x = 399,969,927,087.09/681,042.24
  6. Step 6: Final answer
    x = 587,290.92

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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.