Home / 728,255.67-1,092,514.74-222,807.15

Finding the Fourth Proportional to 728,255.67, 1,092,514.74 and 222,807.15

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Solution

The fourth proportional to 728,255.67, 1,092,514.74 and 222,807.15 is: 334,250.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,255.67 : 1,092,514.74 = 222,807.15 : x
  2. Step 2: Convert to fraction form
    728,255.67/1,092,514.74 = 222,807.15/x
  3. Step 3: Cross multiply
    728,255.67x = 1,092,514.74 × 222,807.15
  4. Step 4: Simplify right side
    728,255.67x = 243,420,095,552.39
  5. Step 5: Solve for x
    x = 243,420,095,552.39/728,255.67
  6. Step 6: Final answer
    x = 334,250.88

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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.