Home / 876,152.52-1,313,724.42-343,049.40

Finding the Fourth Proportional to 876,152.52, 1,313,724.42 and 343,049.40

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Solution

The fourth proportional to 876,152.52, 1,313,724.42 and 343,049.40 is: 514,376.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,152.52 : 1,313,724.42 = 343,049.40 : x
  2. Step 2: Convert to fraction form
    876,152.52/1,313,724.42 = 343,049.40/x
  3. Step 3: Cross multiply
    876,152.52x = 1,313,724.42 × 343,049.40
  4. Step 4: Simplify right side
    876,152.52x = 450,672,374,046.35
  5. Step 5: Solve for x
    x = 450,672,374,046.35/876,152.52
  6. Step 6: Final answer
    x = 514,376.62

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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.