Home / 394,440.64-544,376.02-222,391.74

Finding the Fourth Proportional to 394,440.64, 544,376.02 and 222,391.74

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Solution

The fourth proportional to 394,440.64, 544,376.02 and 222,391.74 is: 306,927.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,440.64 : 544,376.02 = 222,391.74 : x
  2. Step 2: Convert to fraction form
    394,440.64/544,376.02 = 222,391.74/x
  3. Step 3: Cross multiply
    394,440.64x = 544,376.02 × 222,391.74
  4. Step 4: Simplify right side
    394,440.64x = 121,064,730,689.75
  5. Step 5: Solve for x
    x = 121,064,730,689.75/394,440.64
  6. Step 6: Final answer
    x = 306,927.63

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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.