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Finding the Fourth Proportional to 552,757.32, 828,047.34 and 513,877.32

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Solution

The fourth proportional to 552,757.32, 828,047.34 and 513,877.32 is: 769,803.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,757.32 : 828,047.34 = 513,877.32 : x
  2. Step 2: Convert to fraction form
    552,757.32/828,047.34 = 513,877.32/x
  3. Step 3: Cross multiply
    552,757.32x = 828,047.34 × 513,877.32
  4. Step 4: Simplify right side
    552,757.32x = 425,514,747,912.33
  5. Step 5: Solve for x
    x = 425,514,747,912.33/552,757.32
  6. Step 6: Final answer
    x = 769,803.91

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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.