Home / 842,114.07-1,162,116.18-479,538

Finding the Fourth Proportional to 842,114.07, 1,162,116.18 and 479,538

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Solution

The fourth proportional to 842,114.07, 1,162,116.18 and 479,538 is: 661,761.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,114.07 : 1,162,116.18 = 479,538 : x
  2. Step 2: Convert to fraction form
    842,114.07/1,162,116.18 = 479,538/x
  3. Step 3: Cross multiply
    842,114.07x = 1,162,116.18 × 479,538
  4. Step 4: Simplify right side
    842,114.07x = 557,278,868,724.84
  5. Step 5: Solve for x
    x = 557,278,868,724.84/842,114.07
  6. Step 6: Final answer
    x = 661,761.74

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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.