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Finding the Fourth Proportional to 650,182.28, 897,431.87 and 378,302.69

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Solution

The fourth proportional to 650,182.28, 897,431.87 and 378,302.69 is: 522,162.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,182.28 : 897,431.87 = 378,302.69 : x
  2. Step 2: Convert to fraction form
    650,182.28/897,431.87 = 378,302.69/x
  3. Step 3: Cross multiply
    650,182.28x = 897,431.87 × 378,302.69
  4. Step 4: Simplify right side
    650,182.28x = 339,500,890,512.73
  5. Step 5: Solve for x
    x = 339,500,890,512.73/650,182.28
  6. Step 6: Final answer
    x = 522,162.63

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1.5x scale

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.