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Finding the Fourth Proportional to 552,867.56, 828,974.10 and 215,514.40

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Solution

The fourth proportional to 552,867.56, 828,974.10 and 215,514.40 is: 323,144.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,867.56 : 828,974.10 = 215,514.40 : x
  2. Step 2: Convert to fraction form
    552,867.56/828,974.10 = 215,514.40/x
  3. Step 3: Cross multiply
    552,867.56x = 828,974.10 × 215,514.40
  4. Step 4: Simplify right side
    552,867.56x = 178,655,855,777.04
  5. Step 5: Solve for x
    x = 178,655,855,777.04/552,867.56
  6. Step 6: Final answer
    x = 323,144.04

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1.5x scale

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.