Home / 728,079.55-1,092,045.51-195,531.38

Finding the Fourth Proportional to 728,079.55, 1,092,045.51 and 195,531.38

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Solution

The fourth proportional to 728,079.55, 1,092,045.51 and 195,531.38 is: 293,277.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,079.55 : 1,092,045.51 = 195,531.38 : x
  2. Step 2: Convert to fraction form
    728,079.55/1,092,045.51 = 195,531.38/x
  3. Step 3: Cross multiply
    728,079.55x = 1,092,045.51 × 195,531.38
  4. Step 4: Simplify right side
    728,079.55x = 213,529,164,228.05
  5. Step 5: Solve for x
    x = 213,529,164,228.05/728,079.55
  6. Step 6: Final answer
    x = 293,277.25

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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.