Home / 724,676.77-1,087,072.17-192,197.80

Finding the Fourth Proportional to 724,676.77, 1,087,072.17 and 192,197.80

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Solution

The fourth proportional to 724,676.77, 1,087,072.17 and 192,197.80 is: 288,311.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,676.77 : 1,087,072.17 = 192,197.80 : x
  2. Step 2: Convert to fraction form
    724,676.77/1,087,072.17 = 192,197.80/x
  3. Step 3: Cross multiply
    724,676.77x = 1,087,072.17 × 192,197.80
  4. Step 4: Simplify right side
    724,676.77x = 208,932,880,633.82
  5. Step 5: Solve for x
    x = 208,932,880,633.82/724,676.77
  6. Step 6: Final answer
    x = 288,311.82

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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.