Home / 820,336.02-1,228,732.55-800,259.36

Finding the Fourth Proportional to 820,336.02, 1,228,732.55 and 800,259.36

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Solution

The fourth proportional to 820,336.02, 1,228,732.55 and 800,259.36 is: 1,198,660.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,336.02 : 1,228,732.55 = 800,259.36 : x
  2. Step 2: Convert to fraction form
    820,336.02/1,228,732.55 = 800,259.36/x
  3. Step 3: Cross multiply
    820,336.02x = 1,228,732.55 × 800,259.36
  4. Step 4: Simplify right side
    820,336.02x = 983,304,720,072.87
  5. Step 5: Solve for x
    x = 983,304,720,072.87/820,336.02
  6. Step 6: Final answer
    x = 1,198,660.91

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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.