Home / 876,297.90-1,314,446.85-343,836.30

Finding the Fourth Proportional to 876,297.90, 1,314,446.85 and 343,836.30

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Solution

The fourth proportional to 876,297.90, 1,314,446.85 and 343,836.30 is: 515,754.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,297.90 : 1,314,446.85 = 343,836.30 : x
  2. Step 2: Convert to fraction form
    876,297.90/1,314,446.85 = 343,836.30/x
  3. Step 3: Cross multiply
    876,297.90x = 1,314,446.85 × 343,836.30
  4. Step 4: Simplify right side
    876,297.90x = 451,954,541,450.66
  5. Step 5: Solve for x
    x = 451,954,541,450.66/876,297.90
  6. Step 6: Final answer
    x = 515,754.45

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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.