Home / 724,031.40-1,086,222.68-218,562.18

Finding the Fourth Proportional to 724,031.40, 1,086,222.68 and 218,562.18

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Solution

The fourth proportional to 724,031.40, 1,086,222.68 and 218,562.18 is: 327,896.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,031.40 : 1,086,222.68 = 218,562.18 : x
  2. Step 2: Convert to fraction form
    724,031.40/1,086,222.68 = 218,562.18/x
  3. Step 3: Cross multiply
    724,031.40x = 1,086,222.68 × 218,562.18
  4. Step 4: Simplify right side
    724,031.40x = 237,407,196,906.24
  5. Step 5: Solve for x
    x = 237,407,196,906.24/724,031.40
  6. Step 6: Final answer
    x = 327,896.27

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1.5x scale

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.