Home / 694,664.40-1,042,025.40-221,336.40

Finding the Fourth Proportional to 694,664.40, 1,042,025.40 and 221,336.40

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Solution

The fourth proportional to 694,664.40, 1,042,025.40 and 221,336.40 is: 332,013.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,664.40 : 1,042,025.40 = 221,336.40 : x
  2. Step 2: Convert to fraction form
    694,664.40/1,042,025.40 = 221,336.40/x
  3. Step 3: Cross multiply
    694,664.40x = 1,042,025.40 × 221,336.40
  4. Step 4: Simplify right side
    694,664.40x = 230,638,150,744.56
  5. Step 5: Solve for x
    x = 230,638,150,744.56/694,664.40
  6. Step 6: Final answer
    x = 332,013.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.