Home / 693,564.40-1,040,087.40-272,753.20

Finding the Fourth Proportional to 693,564.40, 1,040,087.40 and 272,753.20

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Solution

The fourth proportional to 693,564.40, 1,040,087.40 and 272,753.20 is: 409,027.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,564.40 : 1,040,087.40 = 272,753.20 : x
  2. Step 2: Convert to fraction form
    693,564.40/1,040,087.40 = 272,753.20/x
  3. Step 3: Cross multiply
    693,564.40x = 1,040,087.40 × 272,753.20
  4. Step 4: Simplify right side
    693,564.40x = 283,687,166,629.68
  5. Step 5: Solve for x
    x = 283,687,166,629.68/693,564.40
  6. Step 6: Final answer
    x = 409,027.87

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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.