Home / 887,764.89-1,225,124.51-479,874.63

Finding the Fourth Proportional to 887,764.89, 1,225,124.51 and 479,874.63

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Solution

The fourth proportional to 887,764.89, 1,225,124.51 and 479,874.63 is: 662,231.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,764.89 : 1,225,124.51 = 479,874.63 : x
  2. Step 2: Convert to fraction form
    887,764.89/1,225,124.51 = 479,874.63/x
  3. Step 3: Cross multiply
    887,764.89x = 1,225,124.51 × 479,874.63
  4. Step 4: Simplify right side
    887,764.89x = 587,906,170,940.18
  5. Step 5: Solve for x
    x = 587,906,170,940.18/887,764.89
  6. Step 6: Final answer
    x = 662,231.83

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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.