Home / 791,728.90-1,092,556.61-429,144.97

Finding the Fourth Proportional to 791,728.90, 1,092,556.61 and 429,144.97

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Solution

The fourth proportional to 791,728.90, 1,092,556.61 and 429,144.97 is: 592,204.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,728.90 : 1,092,556.61 = 429,144.97 : x
  2. Step 2: Convert to fraction form
    791,728.90/1,092,556.61 = 429,144.97/x
  3. Step 3: Cross multiply
    791,728.90x = 1,092,556.61 × 429,144.97
  4. Step 4: Simplify right side
    791,728.90x = 468,865,173,621.75
  5. Step 5: Solve for x
    x = 468,865,173,621.75/791,728.90
  6. Step 6: Final answer
    x = 592,204.19

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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.