Home / 394,609.06-544,559.76-213,321.10

Finding the Fourth Proportional to 394,609.06, 544,559.76 and 213,321.10

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Solution

The fourth proportional to 394,609.06, 544,559.76 and 213,321.10 is: 294,382.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,609.06 : 544,559.76 = 213,321.10 : x
  2. Step 2: Convert to fraction form
    394,609.06/544,559.76 = 213,321.10/x
  3. Step 3: Cross multiply
    394,609.06x = 544,559.76 × 213,321.10
  4. Step 4: Simplify right side
    394,609.06x = 116,166,087,018.94
  5. Step 5: Solve for x
    x = 116,166,087,018.94/394,609.06
  6. Step 6: Final answer
    x = 294,382.72

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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.