Home / 681,990.48-941,150.92-395,681.04

Finding the Fourth Proportional to 681,990.48, 941,150.92 and 395,681.04

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Solution

The fourth proportional to 681,990.48, 941,150.92 and 395,681.04 is: 546,042.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,990.48 : 941,150.92 = 395,681.04 : x
  2. Step 2: Convert to fraction form
    681,990.48/941,150.92 = 395,681.04/x
  3. Step 3: Cross multiply
    681,990.48x = 941,150.92 × 395,681.04
  4. Step 4: Simplify right side
    681,990.48x = 372,395,574,822.56
  5. Step 5: Solve for x
    x = 372,395,574,822.56/681,990.48
  6. Step 6: Final answer
    x = 546,042.19

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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.