Home / 725,901.33-1,088,997.33-406,507.40

Finding the Fourth Proportional to 725,901.33, 1,088,997.33 and 406,507.40

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Solution

The fourth proportional to 725,901.33, 1,088,997.33 and 406,507.40 is: 609,842.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,901.33 : 1,088,997.33 = 406,507.40 : x
  2. Step 2: Convert to fraction form
    725,901.33/1,088,997.33 = 406,507.40/x
  3. Step 3: Cross multiply
    725,901.33x = 1,088,997.33 × 406,507.40
  4. Step 4: Simplify right side
    725,901.33x = 442,685,467,780.26
  5. Step 5: Solve for x
    x = 442,685,467,780.26/725,901.33
  6. Step 6: Final answer
    x = 609,842.48

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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.