Home / 728,391.66-1,092,716.70-222,941.46

Finding the Fourth Proportional to 728,391.66, 1,092,716.70 and 222,941.46

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Solution

The fourth proportional to 728,391.66, 1,092,716.70 and 222,941.46 is: 334,451.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,391.66 : 1,092,716.70 = 222,941.46 : x
  2. Step 2: Convert to fraction form
    728,391.66/1,092,716.70 = 222,941.46/x
  3. Step 3: Cross multiply
    728,391.66x = 1,092,716.70 × 222,941.46
  4. Step 4: Simplify right side
    728,391.66x = 243,611,856,464.38
  5. Step 5: Solve for x
    x = 243,611,856,464.38/728,391.66
  6. Step 6: Final answer
    x = 334,451.74

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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.