Home / 820,236.67-1,131,900.04-447,685.37

Finding the Fourth Proportional to 820,236.67, 1,131,900.04 and 447,685.37

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Solution

The fourth proportional to 820,236.67, 1,131,900.04 and 447,685.37 is: 617,791.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,236.67 : 1,131,900.04 = 447,685.37 : x
  2. Step 2: Convert to fraction form
    820,236.67/1,131,900.04 = 447,685.37/x
  3. Step 3: Cross multiply
    820,236.67x = 1,131,900.04 × 447,685.37
  4. Step 4: Simplify right side
    820,236.67x = 506,735,088,210.42
  5. Step 5: Solve for x
    x = 506,735,088,210.42/820,236.67
  6. Step 6: Final answer
    x = 617,791.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.