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Finding the Fourth Proportional to 801,768, 1,202,750.88 and 262,011.52

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Solution

The fourth proportional to 801,768, 1,202,750.88 and 262,011.52 is: 393,049.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,768 : 1,202,750.88 = 262,011.52 : x
  2. Step 2: Convert to fraction form
    801,768/1,202,750.88 = 262,011.52/x
  3. Step 3: Cross multiply
    801,768x = 1,202,750.88 × 262,011.52
  4. Step 4: Simplify right side
    801,768x = 315,134,586,250.14
  5. Step 5: Solve for x
    x = 315,134,586,250.14/801,768
  6. Step 6: Final answer
    x = 393,049.59

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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.