Home / 694,746.60-1,042,022.70-221,479.80

Finding the Fourth Proportional to 694,746.60, 1,042,022.70 and 221,479.80

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Solution

The fourth proportional to 694,746.60, 1,042,022.70 and 221,479.80 is: 332,188.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,746.60 : 1,042,022.70 = 221,479.80 : x
  2. Step 2: Convert to fraction form
    694,746.60/1,042,022.70 = 221,479.80/x
  3. Step 3: Cross multiply
    694,746.60x = 1,042,022.70 × 221,479.80
  4. Step 4: Simplify right side
    694,746.60x = 230,786,979,191.46
  5. Step 5: Solve for x
    x = 230,786,979,191.46/694,746.60
  6. Step 6: Final answer
    x = 332,188.71

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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.