Home / 725,488.52-1,088,231.45-193,009.55

Finding the Fourth Proportional to 725,488.52, 1,088,231.45 and 193,009.55

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Solution

The fourth proportional to 725,488.52, 1,088,231.45 and 193,009.55 is: 289,513.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,488.52 : 1,088,231.45 = 193,009.55 : x
  2. Step 2: Convert to fraction form
    725,488.52/1,088,231.45 = 193,009.55/x
  3. Step 3: Cross multiply
    725,488.52x = 1,088,231.45 × 193,009.55
  4. Step 4: Simplify right side
    725,488.52x = 210,039,056,054.14
  5. Step 5: Solve for x
    x = 210,039,056,054.14/725,488.52
  6. Step 6: Final answer
    x = 289,513.96

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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.