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Finding the Fourth Proportional to 552,563.29, 762,536.22 and 310,846.03

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Solution

The fourth proportional to 552,563.29, 762,536.22 and 310,846.03 is: 428,966.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,563.29 : 762,536.22 = 310,846.03 : x
  2. Step 2: Convert to fraction form
    552,563.29/762,536.22 = 310,846.03/x
  3. Step 3: Cross multiply
    552,563.29x = 762,536.22 × 310,846.03
  4. Step 4: Simplify right side
    552,563.29x = 237,031,356,718.21
  5. Step 5: Solve for x
    x = 237,031,356,718.21/552,563.29
  6. Step 6: Final answer
    x = 428,966.89

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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.