Home / 814,874.88-1,124,539.68-447,382.32

Finding the Fourth Proportional to 814,874.88, 1,124,539.68 and 447,382.32

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Solution

The fourth proportional to 814,874.88, 1,124,539.68 and 447,382.32 is: 617,394.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,874.88 : 1,124,539.68 = 447,382.32 : x
  2. Step 2: Convert to fraction form
    814,874.88/1,124,539.68 = 447,382.32/x
  3. Step 3: Cross multiply
    814,874.88x = 1,124,539.68 × 447,382.32
  4. Step 4: Simplify right side
    814,874.88x = 503,099,170,970.46
  5. Step 5: Solve for x
    x = 503,099,170,970.46/814,874.88
  6. Step 6: Final answer
    x = 617,394.38

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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.