Home / 876,043.64-1,313,500.48-343,618.49

Finding the Fourth Proportional to 876,043.64, 1,313,500.48 and 343,618.49

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Solution

The fourth proportional to 876,043.64, 1,313,500.48 and 343,618.49 is: 515,206.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,043.64 : 1,313,500.48 = 343,618.49 : x
  2. Step 2: Convert to fraction form
    876,043.64/1,313,500.48 = 343,618.49/x
  3. Step 3: Cross multiply
    876,043.64x = 1,313,500.48 × 343,618.49
  4. Step 4: Simplify right side
    876,043.64x = 451,343,044,125.33
  5. Step 5: Solve for x
    x = 451,343,044,125.33/876,043.64
  6. Step 6: Final answer
    x = 515,206.12

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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.