Home / 725,416.74-1,088,123.75-192,938.34

Finding the Fourth Proportional to 725,416.74, 1,088,123.75 and 192,938.34

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Solution

The fourth proportional to 725,416.74, 1,088,123.75 and 192,938.34 is: 289,407.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,416.74 : 1,088,123.75 = 192,938.34 : x
  2. Step 2: Convert to fraction form
    725,416.74/1,088,123.75 = 192,938.34/x
  3. Step 3: Cross multiply
    725,416.74x = 1,088,123.75 × 192,938.34
  4. Step 4: Simplify right side
    725,416.74x = 209,940,789,074.88
  5. Step 5: Solve for x
    x = 209,940,789,074.88/725,416.74
  6. Step 6: Final answer
    x = 289,407.15

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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.