Home / 724,041.39-1,086,237.67-218,572.17

Finding the Fourth Proportional to 724,041.39, 1,086,237.67 and 218,572.17

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Solution

The fourth proportional to 724,041.39, 1,086,237.67 and 218,572.17 is: 327,911.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,041.39 : 1,086,237.67 = 218,572.17 : x
  2. Step 2: Convert to fraction form
    724,041.39/1,086,237.67 = 218,572.17/x
  3. Step 3: Cross multiply
    724,041.39x = 1,086,237.67 × 218,572.17
  4. Step 4: Simplify right side
    724,041.39x = 237,421,324,667.64
  5. Step 5: Solve for x
    x = 237,421,324,667.64/724,041.39
  6. Step 6: Final answer
    x = 327,911.26

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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.