Home / 820,202.13-1,230,303.18-259,192.89

Finding the Fourth Proportional to 820,202.13, 1,230,303.18 and 259,192.89

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Solution

The fourth proportional to 820,202.13, 1,230,303.18 and 259,192.89 is: 388,789.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,202.13 : 1,230,303.18 = 259,192.89 : x
  2. Step 2: Convert to fraction form
    820,202.13/1,230,303.18 = 259,192.89/x
  3. Step 3: Cross multiply
    820,202.13x = 1,230,303.18 × 259,192.89
  4. Step 4: Simplify right side
    820,202.13x = 318,885,836,800.39
  5. Step 5: Solve for x
    x = 318,885,836,800.39/820,202.13
  6. Step 6: Final answer
    x = 388,789.33

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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.