Home / 729,675.12-1,004,722.41-661,246.73

Finding the Fourth Proportional to 729,675.12, 1,004,722.41 and 661,246.73

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Solution

The fourth proportional to 729,675.12, 1,004,722.41 and 661,246.73 is: 910,500.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,675.12 : 1,004,722.41 = 661,246.73 : x
  2. Step 2: Convert to fraction form
    729,675.12/1,004,722.41 = 661,246.73/x
  3. Step 3: Cross multiply
    729,675.12x = 1,004,722.41 × 661,246.73
  4. Step 4: Simplify right side
    729,675.12x = 664,369,403,146.61
  5. Step 5: Solve for x
    x = 664,369,403,146.61/729,675.12
  6. Step 6: Final answer
    x = 910,500.28

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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.