Home / 681,989.10-1,022,886.45-232,730.70

Finding the Fourth Proportional to 681,989.10, 1,022,886.45 and 232,730.70

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Solution

The fourth proportional to 681,989.10, 1,022,886.45 and 232,730.70 is: 349,062.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,989.10 : 1,022,886.45 = 232,730.70 : x
  2. Step 2: Convert to fraction form
    681,989.10/1,022,886.45 = 232,730.70/x
  3. Step 3: Cross multiply
    681,989.10x = 1,022,886.45 × 232,730.70
  4. Step 4: Simplify right side
    681,989.10x = 238,057,079,529.02
  5. Step 5: Solve for x
    x = 238,057,079,529.02/681,989.10
  6. Step 6: Final answer
    x = 349,062.88

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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.