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Finding the Fourth Proportional to 552,708.23, 762,752.24 and 310,999.37

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Solution

The fourth proportional to 552,708.23, 762,752.24 and 310,999.37 is: 429,187.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,708.23 : 762,752.24 = 310,999.37 : x
  2. Step 2: Convert to fraction form
    552,708.23/762,752.24 = 310,999.37/x
  3. Step 3: Cross multiply
    552,708.23x = 762,752.24 × 310,999.37
  4. Step 4: Simplify right side
    552,708.23x = 237,215,463,652.95
  5. Step 5: Solve for x
    x = 237,215,463,652.95/552,708.23
  6. Step 6: Final answer
    x = 429,187.50

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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.