Home / 762,983.73-1,052,999.82-487,592.60

Finding the Fourth Proportional to 762,983.73, 1,052,999.82 and 487,592.60

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Solution

The fourth proportional to 762,983.73, 1,052,999.82 and 487,592.60 is: 672,930.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,983.73 : 1,052,999.82 = 487,592.60 : x
  2. Step 2: Convert to fraction form
    762,983.73/1,052,999.82 = 487,592.60/x
  3. Step 3: Cross multiply
    762,983.73x = 1,052,999.82 × 487,592.60
  4. Step 4: Simplify right side
    762,983.73x = 513,434,914,768.33
  5. Step 5: Solve for x
    x = 513,434,914,768.33/762,983.73
  6. Step 6: Final answer
    x = 672,930.36

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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.