Home / 820,233.02-1,230,342.15-259,267.70

Finding the Fourth Proportional to 820,233.02, 1,230,342.15 and 259,267.70

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Solution

The fourth proportional to 820,233.02, 1,230,342.15 and 259,267.70 is: 388,899.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,233.02 : 1,230,342.15 = 259,267.70 : x
  2. Step 2: Convert to fraction form
    820,233.02/1,230,342.15 = 259,267.70/x
  3. Step 3: Cross multiply
    820,233.02x = 1,230,342.15 × 259,267.70
  4. Step 4: Simplify right side
    820,233.02x = 318,987,979,443.56
  5. Step 5: Solve for x
    x = 318,987,979,443.56/820,233.02
  6. Step 6: Final answer
    x = 388,899.22

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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.