Home / 728,700.57-1,093,061.52-329,062.77

Finding the Fourth Proportional to 728,700.57, 1,093,061.52 and 329,062.77

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Solution

The fourth proportional to 728,700.57, 1,093,061.52 and 329,062.77 is: 493,598.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,700.57 : 1,093,061.52 = 329,062.77 : x
  2. Step 2: Convert to fraction form
    728,700.57/1,093,061.52 = 329,062.77/x
  3. Step 3: Cross multiply
    728,700.57x = 1,093,061.52 × 329,062.77
  4. Step 4: Simplify right side
    728,700.57x = 359,685,851,551.61
  5. Step 5: Solve for x
    x = 359,685,851,551.61/728,700.57
  6. Step 6: Final answer
    x = 493,598.97

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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.