Home / 798,078.65-1,197,138.62-229,436.78

Finding the Fourth Proportional to 798,078.65, 1,197,138.62 and 229,436.78

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Solution

The fourth proportional to 798,078.65, 1,197,138.62 and 229,436.78 is: 344,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,078.65 : 1,197,138.62 = 229,436.78 : x
  2. Step 2: Convert to fraction form
    798,078.65/1,197,138.62 = 229,436.78/x
  3. Step 3: Cross multiply
    798,078.65x = 1,197,138.62 × 229,436.78
  4. Step 4: Simplify right side
    798,078.65x = 274,667,624,774.34
  5. Step 5: Solve for x
    x = 274,667,624,774.34/798,078.65
  6. Step 6: Final answer
    x = 344,161.10

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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.