Home / 724,694.64-1,087,040.52-192,269.04

Finding the Fourth Proportional to 724,694.64, 1,087,040.52 and 192,269.04

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Solution

The fourth proportional to 724,694.64, 1,087,040.52 and 192,269.04 is: 288,403.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,694.64 : 1,087,040.52 = 192,269.04 : x
  2. Step 2: Convert to fraction form
    724,694.64/1,087,040.52 = 192,269.04/x
  3. Step 3: Cross multiply
    724,694.64x = 1,087,040.52 × 192,269.04
  4. Step 4: Simplify right side
    724,694.64x = 209,004,237,221.50
  5. Step 5: Solve for x
    x = 209,004,237,221.50/724,694.64
  6. Step 6: Final answer
    x = 288,403.18

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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.