Home / 876,054.30-1,313,109.45-343,398.30

Finding the Fourth Proportional to 876,054.30, 1,313,109.45 and 343,398.30

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Solution

The fourth proportional to 876,054.30, 1,313,109.45 and 343,398.30 is: 514,716.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,054.30 : 1,313,109.45 = 343,398.30 : x
  2. Step 2: Convert to fraction form
    876,054.30/1,313,109.45 = 343,398.30/x
  3. Step 3: Cross multiply
    876,054.30x = 1,313,109.45 × 343,398.30
  4. Step 4: Simplify right side
    876,054.30x = 450,919,552,843.94
  5. Step 5: Solve for x
    x = 450,919,552,843.94/876,054.30
  6. Step 6: Final answer
    x = 514,716.44

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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.