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Finding the Fourth Proportional to 552,883.82, 762,687.03 and 380,502.51

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Solution

The fourth proportional to 552,883.82, 762,687.03 and 380,502.51 is: 524,892.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,883.82 : 762,687.03 = 380,502.51 : x
  2. Step 2: Convert to fraction form
    552,883.82/762,687.03 = 380,502.51/x
  3. Step 3: Cross multiply
    552,883.82x = 762,687.03 × 380,502.51
  4. Step 4: Simplify right side
    552,883.82x = 290,204,329,259.45
  5. Step 5: Solve for x
    x = 290,204,329,259.45/552,883.82
  6. Step 6: Final answer
    x = 524,892.06

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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.