Home / 394,827.45-544,861.84-213,539.37

Finding the Fourth Proportional to 394,827.45, 544,861.84 and 213,539.37

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Solution

The fourth proportional to 394,827.45, 544,861.84 and 213,539.37 is: 294,684.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,827.45 : 544,861.84 = 213,539.37 : x
  2. Step 2: Convert to fraction form
    394,827.45/544,861.84 = 213,539.37/x
  3. Step 3: Cross multiply
    394,827.45x = 544,861.84 × 213,539.37
  4. Step 4: Simplify right side
    394,827.45x = 116,349,454,050.64
  5. Step 5: Solve for x
    x = 116,349,454,050.64/394,827.45
  6. Step 6: Final answer
    x = 294,684.31

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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.