Home / 886,892.28-1,329,993.30-287,708.55

Finding the Fourth Proportional to 886,892.28, 1,329,993.30 and 287,708.55

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Solution

The fourth proportional to 886,892.28, 1,329,993.30 and 287,708.55 is: 431,450.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,892.28 : 1,329,993.30 = 287,708.55 : x
  2. Step 2: Convert to fraction form
    886,892.28/1,329,993.30 = 287,708.55/x
  3. Step 3: Cross multiply
    886,892.28x = 1,329,993.30 × 287,708.55
  4. Step 4: Simplify right side
    886,892.28x = 382,650,443,852.72
  5. Step 5: Solve for x
    x = 382,650,443,852.72/886,892.28
  6. Step 6: Final answer
    x = 431,450.87

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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.