Home / 725,665.43-1,088,478.10-193,191.07

Finding the Fourth Proportional to 725,665.43, 1,088,478.10 and 193,191.07

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Solution

The fourth proportional to 725,665.43, 1,088,478.10 and 193,191.07 is: 289,781.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,665.43 : 1,088,478.10 = 193,191.07 : x
  2. Step 2: Convert to fraction form
    725,665.43/1,088,478.10 = 193,191.07/x
  3. Step 3: Cross multiply
    725,665.43x = 1,088,478.10 × 193,191.07
  4. Step 4: Simplify right side
    725,665.43x = 210,284,248,810.57
  5. Step 5: Solve for x
    x = 210,284,248,810.57/725,665.43
  6. Step 6: Final answer
    x = 289,781.27

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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.