Home / 725,556.29-1,088,359.02-193,077.84

Finding the Fourth Proportional to 725,556.29, 1,088,359.02 and 193,077.84

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Solution

The fourth proportional to 725,556.29, 1,088,359.02 and 193,077.84 is: 289,623.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,556.29 : 1,088,359.02 = 193,077.84 : x
  2. Step 2: Convert to fraction form
    725,556.29/1,088,359.02 = 193,077.84/x
  3. Step 3: Cross multiply
    725,556.29x = 1,088,359.02 × 193,077.84
  4. Step 4: Simplify right side
    725,556.29x = 210,138,008,726.12
  5. Step 5: Solve for x
    x = 210,138,008,726.12/725,556.29
  6. Step 6: Final answer
    x = 289,623.30

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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.