Home / 820,227.02-1,230,333.15-259,261.70

Finding the Fourth Proportional to 820,227.02, 1,230,333.15 and 259,261.70

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Solution

The fourth proportional to 820,227.02, 1,230,333.15 and 259,261.70 is: 388,890.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,227.02 : 1,230,333.15 = 259,261.70 : x
  2. Step 2: Convert to fraction form
    820,227.02/1,230,333.15 = 259,261.70/x
  3. Step 3: Cross multiply
    820,227.02x = 1,230,333.15 × 259,261.70
  4. Step 4: Simplify right side
    820,227.02x = 318,978,264,035.36
  5. Step 5: Solve for x
    x = 318,978,264,035.36/820,227.02
  6. Step 6: Final answer
    x = 388,890.22

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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.