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Finding the Fourth Proportional to 552,509.28, 828,575.52 and 215,523.36

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Solution

The fourth proportional to 552,509.28, 828,575.52 and 215,523.36 is: 323,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,509.28 : 828,575.52 = 215,523.36 : x
  2. Step 2: Convert to fraction form
    552,509.28/828,575.52 = 215,523.36/x
  3. Step 3: Cross multiply
    552,509.28x = 828,575.52 × 215,523.36
  4. Step 4: Simplify right side
    552,509.28x = 178,577,380,084.15
  5. Step 5: Solve for x
    x = 178,577,380,084.15/552,509.28
  6. Step 6: Final answer
    x = 323,211.55

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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.