Home / 728,686.94-1,093,041.54-329,049.14

Finding the Fourth Proportional to 728,686.94, 1,093,041.54 and 329,049.14

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Solution

The fourth proportional to 728,686.94, 1,093,041.54 and 329,049.14 is: 493,578.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,686.94 : 1,093,041.54 = 329,049.14 : x
  2. Step 2: Convert to fraction form
    728,686.94/1,093,041.54 = 329,049.14/x
  3. Step 3: Cross multiply
    728,686.94x = 1,093,041.54 × 329,049.14
  4. Step 4: Simplify right side
    728,686.94x = 359,664,373,256.07
  5. Step 5: Solve for x
    x = 359,664,373,256.07/728,686.94
  6. Step 6: Final answer
    x = 493,578.73

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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.