Home / 728,147.40-1,092,220.14-195,668.44

Finding the Fourth Proportional to 728,147.40, 1,092,220.14 and 195,668.44

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Solution

The fourth proportional to 728,147.40, 1,092,220.14 and 195,668.44 is: 293,502.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,147.40 : 1,092,220.14 = 195,668.44 : x
  2. Step 2: Convert to fraction form
    728,147.40/1,092,220.14 = 195,668.44/x
  3. Step 3: Cross multiply
    728,147.40x = 1,092,220.14 × 195,668.44
  4. Step 4: Simplify right side
    728,147.40x = 213,713,010,930.38
  5. Step 5: Solve for x
    x = 213,713,010,930.38/728,147.40
  6. Step 6: Final answer
    x = 293,502.40

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1.5x scale

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.