Home / 394,734.45-544,733.15-213,445.97

Finding the Fourth Proportional to 394,734.45, 544,733.15 and 213,445.97

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Solution

The fourth proportional to 394,734.45, 544,733.15 and 213,445.97 is: 294,555.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,734.45 : 544,733.15 = 213,445.97 : x
  2. Step 2: Convert to fraction form
    394,734.45/544,733.15 = 213,445.97/x
  3. Step 3: Cross multiply
    394,734.45x = 544,733.15 × 213,445.97
  4. Step 4: Simplify right side
    394,734.45x = 116,271,095,592.91
  5. Step 5: Solve for x
    x = 116,271,095,592.91/394,734.45
  6. Step 6: Final answer
    x = 294,555.23

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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.