Home / 725,279.45-1,088,089.34-713,229.75

Finding the Fourth Proportional to 725,279.45, 1,088,089.34 and 713,229.75

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Solution

The fourth proportional to 725,279.45, 1,088,089.34 and 713,229.75 is: 1,070,011.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,279.45 : 1,088,089.34 = 713,229.75 : x
  2. Step 2: Convert to fraction form
    725,279.45/1,088,089.34 = 713,229.75/x
  3. Step 3: Cross multiply
    725,279.45x = 1,088,089.34 × 713,229.75
  4. Step 4: Simplify right side
    725,279.45x = 776,057,684,379.72
  5. Step 5: Solve for x
    x = 776,057,684,379.72/725,279.45
  6. Step 6: Final answer
    x = 1,070,011.97

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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.