Home / 791,399.22-1,187,088.49-192,358.65

Finding the Fourth Proportional to 791,399.22, 1,187,088.49 and 192,358.65

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Solution

The fourth proportional to 791,399.22, 1,187,088.49 and 192,358.65 is: 288,535.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,399.22 : 1,187,088.49 = 192,358.65 : x
  2. Step 2: Convert to fraction form
    791,399.22/1,187,088.49 = 192,358.65/x
  3. Step 3: Cross multiply
    791,399.22x = 1,187,088.49 × 192,358.65
  4. Step 4: Simplify right side
    791,399.22x = 228,346,739,366.94
  5. Step 5: Solve for x
    x = 228,346,739,366.94/791,399.22
  6. Step 6: Final answer
    x = 288,535.46

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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.