Home / 886,287.39-1,329,152.22-287,109.53

Finding the Fourth Proportional to 886,287.39, 1,329,152.22 and 287,109.53

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Solution

The fourth proportional to 886,287.39, 1,329,152.22 and 287,109.53 is: 430,573.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,287.39 : 1,329,152.22 = 287,109.53 : x
  2. Step 2: Convert to fraction form
    886,287.39/1,329,152.22 = 287,109.53/x
  3. Step 3: Cross multiply
    886,287.39x = 1,329,152.22 × 287,109.53
  4. Step 4: Simplify right side
    886,287.39x = 381,612,262,536.90
  5. Step 5: Solve for x
    x = 381,612,262,536.90/886,287.39
  6. Step 6: Final answer
    x = 430,573.95

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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.