Home / 886,282.34-1,329,144.65-287,104.48

Finding the Fourth Proportional to 886,282.34, 1,329,144.65 and 287,104.48

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Solution

The fourth proportional to 886,282.34, 1,329,144.65 and 287,104.48 is: 430,566.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,282.34 : 1,329,144.65 = 287,104.48 : x
  2. Step 2: Convert to fraction form
    886,282.34/1,329,144.65 = 287,104.48/x
  3. Step 3: Cross multiply
    886,282.34x = 1,329,144.65 × 287,104.48
  4. Step 4: Simplify right side
    886,282.34x = 381,603,384,446.99
  5. Step 5: Solve for x
    x = 381,603,384,446.99/886,282.34
  6. Step 6: Final answer
    x = 430,566.39

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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.