Home / 791,378.79-1,187,057.53-192,338.22

Finding the Fourth Proportional to 791,378.79, 1,187,057.53 and 192,338.22

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Solution

The fourth proportional to 791,378.79, 1,187,057.53 and 192,338.22 is: 288,504.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,378.79 : 1,187,057.53 = 192,338.22 : x
  2. Step 2: Convert to fraction form
    791,378.79/1,187,057.53 = 192,338.22/x
  3. Step 3: Cross multiply
    791,378.79x = 1,187,057.53 × 192,338.22
  4. Step 4: Simplify right side
    791,378.79x = 228,316,532,357.80
  5. Step 5: Solve for x
    x = 228,316,532,357.80/791,378.79
  6. Step 6: Final answer
    x = 288,504.74

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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.