Home / 727,768.82-1,090,446.39-442,596.80

Finding the Fourth Proportional to 727,768.82, 1,090,446.39 and 442,596.80

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Solution

The fourth proportional to 727,768.82, 1,090,446.39 and 442,596.80 is: 663,161.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,768.82 : 1,090,446.39 = 442,596.80 : x
  2. Step 2: Convert to fraction form
    727,768.82/1,090,446.39 = 442,596.80/x
  3. Step 3: Cross multiply
    727,768.82x = 1,090,446.39 × 442,596.80
  4. Step 4: Simplify right side
    727,768.82x = 482,628,082,785.55
  5. Step 5: Solve for x
    x = 482,628,082,785.55/727,768.82
  6. Step 6: Final answer
    x = 663,161.25

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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.