Home / 725,663.43-1,088,475.10-193,189.07

Finding the Fourth Proportional to 725,663.43, 1,088,475.10 and 193,189.07

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Solution

The fourth proportional to 725,663.43, 1,088,475.10 and 193,189.07 is: 289,778.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,663.43 : 1,088,475.10 = 193,189.07 : x
  2. Step 2: Convert to fraction form
    725,663.43/1,088,475.10 = 193,189.07/x
  3. Step 3: Cross multiply
    725,663.43x = 1,088,475.10 × 193,189.07
  4. Step 4: Simplify right side
    725,663.43x = 210,281,494,525.37
  5. Step 5: Solve for x
    x = 210,281,494,525.37/725,663.43
  6. Step 6: Final answer
    x = 289,778.27

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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.