Home / 394,521.06-544,428.10-222,437.54

Finding the Fourth Proportional to 394,521.06, 544,428.10 and 222,437.54

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Solution

The fourth proportional to 394,521.06, 544,428.10 and 222,437.54 is: 306,957.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,521.06 : 544,428.10 = 222,437.54 : x
  2. Step 2: Convert to fraction form
    394,521.06/544,428.10 = 222,437.54/x
  3. Step 3: Cross multiply
    394,521.06x = 544,428.10 × 222,437.54
  4. Step 4: Simplify right side
    394,521.06x = 121,101,247,270.87
  5. Step 5: Solve for x
    x = 121,101,247,270.87/394,521.06
  6. Step 6: Final answer
    x = 306,957.62

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1.5x scale

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.