Home / 887,474.33-1,331,211.45-213,555.70

Finding the Fourth Proportional to 887,474.33, 1,331,211.45 and 213,555.70

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Solution

The fourth proportional to 887,474.33, 1,331,211.45 and 213,555.70 is: 320,333.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,474.33 : 1,331,211.45 = 213,555.70 : x
  2. Step 2: Convert to fraction form
    887,474.33/1,331,211.45 = 213,555.70/x
  3. Step 3: Cross multiply
    887,474.33x = 1,331,211.45 × 213,555.70
  4. Step 4: Simplify right side
    887,474.33x = 284,287,793,915.95
  5. Step 5: Solve for x
    x = 284,287,793,915.95/887,474.33
  6. Step 6: Final answer
    x = 320,333.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.