Home / 887,810.75-1,225,178.23-479,912.57

Finding the Fourth Proportional to 887,810.75, 1,225,178.23 and 479,912.57

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Solution

The fourth proportional to 887,810.75, 1,225,178.23 and 479,912.57 is: 662,279.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,810.75 : 1,225,178.23 = 479,912.57 : x
  2. Step 2: Convert to fraction form
    887,810.75/1,225,178.23 = 479,912.57/x
  3. Step 3: Cross multiply
    887,810.75x = 1,225,178.23 × 479,912.57
  4. Step 4: Simplify right side
    887,810.75x = 587,978,433,067.35
  5. Step 5: Solve for x
    x = 587,978,433,067.35/887,810.75
  6. Step 6: Final answer
    x = 662,279.02

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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.