Home / 842,735.16-1,162,689.66-479,901.74

Finding the Fourth Proportional to 842,735.16, 1,162,689.66 and 479,901.74

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Solution

The fourth proportional to 842,735.16, 1,162,689.66 and 479,901.74 is: 662,102.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,735.16 : 1,162,689.66 = 479,901.74 : x
  2. Step 2: Convert to fraction form
    842,735.16/1,162,689.66 = 479,901.74/x
  3. Step 3: Cross multiply
    842,735.16x = 1,162,689.66 × 479,901.74
  4. Step 4: Simplify right side
    842,735.16x = 557,976,785,100.56
  5. Step 5: Solve for x
    x = 557,976,785,100.56/842,735.16
  6. Step 6: Final answer
    x = 662,102.18

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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.