Home / 724,982.70-1,087,474.05-325,814.70

Finding the Fourth Proportional to 724,982.70, 1,087,474.05 and 325,814.70

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Solution

The fourth proportional to 724,982.70, 1,087,474.05 and 325,814.70 is: 488,722.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,982.70 : 1,087,474.05 = 325,814.70 : x
  2. Step 2: Convert to fraction form
    724,982.70/1,087,474.05 = 325,814.70/x
  3. Step 3: Cross multiply
    724,982.70x = 1,087,474.05 × 325,814.70
  4. Step 4: Simplify right side
    724,982.70x = 354,315,031,358.54
  5. Step 5: Solve for x
    x = 354,315,031,358.54/724,982.70
  6. Step 6: Final answer
    x = 488,722.05

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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.