Home / 876,433.22-1,313,856.33-343,811.24

Finding the Fourth Proportional to 876,433.22, 1,313,856.33 and 343,811.24

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Solution

The fourth proportional to 876,433.22, 1,313,856.33 and 343,811.24 is: 515,405.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,433.22 : 1,313,856.33 = 343,811.24 : x
  2. Step 2: Convert to fraction form
    876,433.22/1,313,856.33 = 343,811.24/x
  3. Step 3: Cross multiply
    876,433.22x = 1,313,856.33 × 343,811.24
  4. Step 4: Simplify right side
    876,433.22x = 451,718,573,999.15
  5. Step 5: Solve for x
    x = 451,718,573,999.15/876,433.22
  6. Step 6: Final answer
    x = 515,405.58

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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.