Home / 791,398.96-1,187,088.12-192,358.42

Finding the Fourth Proportional to 791,398.96, 1,187,088.12 and 192,358.42

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Solution

The fourth proportional to 791,398.96, 1,187,088.12 and 192,358.42 is: 288,535.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,398.96 : 1,187,088.12 = 192,358.42 : x
  2. Step 2: Convert to fraction form
    791,398.96/1,187,088.12 = 192,358.42/x
  3. Step 3: Cross multiply
    791,398.96x = 1,187,088.12 × 192,358.42
  4. Step 4: Simplify right side
    791,398.96x = 228,346,395,163.97
  5. Step 5: Solve for x
    x = 228,346,395,163.97/791,398.96
  6. Step 6: Final answer
    x = 288,535.12

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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.