Home / 876,112.12-1,314,310.14-343,344.28

Finding the Fourth Proportional to 876,112.12, 1,314,310.14 and 343,344.28

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Solution

The fourth proportional to 876,112.12, 1,314,310.14 and 343,344.28 is: 515,072.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,112.12 : 1,314,310.14 = 343,344.28 : x
  2. Step 2: Convert to fraction form
    876,112.12/1,314,310.14 = 343,344.28/x
  3. Step 3: Cross multiply
    876,112.12x = 1,314,310.14 × 343,344.28
  4. Step 4: Simplify right side
    876,112.12x = 451,260,868,715.00
  5. Step 5: Solve for x
    x = 451,260,868,715.00/876,112.12
  6. Step 6: Final answer
    x = 515,072.05

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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.