Home / 842,429.29-1,162,422.51-479,806.92

Finding the Fourth Proportional to 842,429.29, 1,162,422.51 and 479,806.92

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Solution

The fourth proportional to 842,429.29, 1,162,422.51 and 479,806.92 is: 662,059.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,429.29 : 1,162,422.51 = 479,806.92 : x
  2. Step 2: Convert to fraction form
    842,429.29/1,162,422.51 = 479,806.92/x
  3. Step 3: Cross multiply
    842,429.29x = 1,162,422.51 × 479,806.92
  4. Step 4: Simplify right side
    842,429.29x = 557,738,359,867.89
  5. Step 5: Solve for x
    x = 557,738,359,867.89/842,429.29
  6. Step 6: Final answer
    x = 662,059.56

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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.