Home / 957,838.82-1,321,812.60-522,279.54

Finding the Fourth Proportional to 957,838.82, 1,321,812.60 and 522,279.54

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Solution

The fourth proportional to 957,838.82, 1,321,812.60 and 522,279.54 is: 720,743.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,838.82 : 1,321,812.60 = 522,279.54 : x
  2. Step 2: Convert to fraction form
    957,838.82/1,321,812.60 = 522,279.54/x
  3. Step 3: Cross multiply
    957,838.82x = 1,321,812.60 × 522,279.54
  4. Step 4: Simplify right side
    957,838.82x = 690,355,676,694.20
  5. Step 5: Solve for x
    x = 690,355,676,694.20/957,838.82
  6. Step 6: Final answer
    x = 720,743.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.