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Finding the Fourth Proportional to 552,565.38, 762,584.49 and 310,833.54

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Solution

The fourth proportional to 552,565.38, 762,584.49 and 310,833.54 is: 428,975.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,565.38 : 762,584.49 = 310,833.54 : x
  2. Step 2: Convert to fraction form
    552,565.38/762,584.49 = 310,833.54/x
  3. Step 3: Cross multiply
    552,565.38x = 762,584.49 × 310,833.54
  4. Step 4: Simplify right side
    552,565.38x = 237,036,836,575.80
  5. Step 5: Solve for x
    x = 237,036,836,575.80/552,565.38
  6. Step 6: Final answer
    x = 428,975.19

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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.