Home / 728,623.20-1,092,351.60-307,552.80

Finding the Fourth Proportional to 728,623.20, 1,092,351.60 and 307,552.80

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Solution

The fourth proportional to 728,623.20, 1,092,351.60 and 307,552.80 is: 461,083.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,623.20 : 1,092,351.60 = 307,552.80 : x
  2. Step 2: Convert to fraction form
    728,623.20/1,092,351.60 = 307,552.80/x
  3. Step 3: Cross multiply
    728,623.20x = 1,092,351.60 × 307,552.80
  4. Step 4: Simplify right side
    728,623.20x = 335,955,793,164.48
  5. Step 5: Solve for x
    x = 335,955,793,164.48/728,623.20
  6. Step 6: Final answer
    x = 461,083.03

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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.