Home / 887,854.64-1,225,237.79-479,956.73

Finding the Fourth Proportional to 887,854.64, 1,225,237.79 and 479,956.73

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Solution

The fourth proportional to 887,854.64, 1,225,237.79 and 479,956.73 is: 662,339.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,854.64 : 1,225,237.79 = 479,956.73 : x
  2. Step 2: Convert to fraction form
    887,854.64/1,225,237.79 = 479,956.73/x
  3. Step 3: Cross multiply
    887,854.64x = 1,225,237.79 × 479,956.73
  4. Step 4: Simplify right side
    887,854.64x = 588,061,118,234.53
  5. Step 5: Solve for x
    x = 588,061,118,234.53/887,854.64
  6. Step 6: Final answer
    x = 662,339.41

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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.