Home / 724,344.39-1,086,522.03-274,944.11

Finding the Fourth Proportional to 724,344.39, 1,086,522.03 and 274,944.11

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Solution

The fourth proportional to 724,344.39, 1,086,522.03 and 274,944.11 is: 412,418.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,344.39 : 1,086,522.03 = 274,944.11 : x
  2. Step 2: Convert to fraction form
    724,344.39/1,086,522.03 = 274,944.11/x
  3. Step 3: Cross multiply
    724,344.39x = 1,086,522.03 × 274,944.11
  4. Step 4: Simplify right side
    724,344.39x = 298,732,827,101.13
  5. Step 5: Solve for x
    x = 298,732,827,101.13/724,344.39
  6. Step 6: Final answer
    x = 412,418.22

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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.