Home / 791,426.86-1,187,131.53-192,388.59

Finding the Fourth Proportional to 791,426.86, 1,187,131.53 and 192,388.59

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Solution

The fourth proportional to 791,426.86, 1,187,131.53 and 192,388.59 is: 288,580.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,426.86 : 1,187,131.53 = 192,388.59 : x
  2. Step 2: Convert to fraction form
    791,426.86/1,187,131.53 = 192,388.59/x
  3. Step 3: Cross multiply
    791,426.86x = 1,187,131.53 × 192,388.59
  4. Step 4: Simplify right side
    791,426.86x = 228,390,560,239.30
  5. Step 5: Solve for x
    x = 228,390,560,239.30/791,426.86
  6. Step 6: Final answer
    x = 288,580.76

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1.5x scale

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.