Home / 876,245.46-1,313,802.96-343,820.28

Finding the Fourth Proportional to 876,245.46, 1,313,802.96 and 343,820.28

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Solution

The fourth proportional to 876,245.46, 1,313,802.96 and 343,820.28 is: 515,508.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,245.46 : 1,313,802.96 = 343,820.28 : x
  2. Step 2: Convert to fraction form
    876,245.46/1,313,802.96 = 343,820.28/x
  3. Step 3: Cross multiply
    876,245.46x = 1,313,802.96 × 343,820.28
  4. Step 4: Simplify right side
    876,245.46x = 451,712,101,572.03
  5. Step 5: Solve for x
    x = 451,712,101,572.03/876,245.46
  6. Step 6: Final answer
    x = 515,508.64

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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.