Home / 876,101.22-1,314,162.27-343,872.90

Finding the Fourth Proportional to 876,101.22, 1,314,162.27 and 343,872.90

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Solution

The fourth proportional to 876,101.22, 1,314,162.27 and 343,872.90 is: 515,813.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,101.22 : 1,314,162.27 = 343,872.90 : x
  2. Step 2: Convert to fraction form
    876,101.22/1,314,162.27 = 343,872.90/x
  3. Step 3: Cross multiply
    876,101.22x = 1,314,162.27 × 343,872.90
  4. Step 4: Simplify right side
    876,101.22x = 451,904,790,855.48
  5. Step 5: Solve for x
    x = 451,904,790,855.48/876,101.22
  6. Step 6: Final answer
    x = 515,813.45

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1.5x scale

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.