Home / 791,898.77-1,187,824.88-192,851.21

Finding the Fourth Proportional to 791,898.77, 1,187,824.88 and 192,851.21

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Solution

The fourth proportional to 791,898.77, 1,187,824.88 and 192,851.21 is: 289,271.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,898.77 : 1,187,824.88 = 192,851.21 : x
  2. Step 2: Convert to fraction form
    791,898.77/1,187,824.88 = 192,851.21/x
  3. Step 3: Cross multiply
    791,898.77x = 1,187,824.88 × 192,851.21
  4. Step 4: Simplify right side
    791,898.77x = 229,073,458,472.72
  5. Step 5: Solve for x
    x = 229,073,458,472.72/791,898.77
  6. Step 6: Final answer
    x = 289,271.14

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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.