Home / 671,803.20-1,007,471.52-198,361.44

Finding the Fourth Proportional to 671,803.20, 1,007,471.52 and 198,361.44

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Solution

The fourth proportional to 671,803.20, 1,007,471.52 and 198,361.44 is: 297,473.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,803.20 : 1,007,471.52 = 198,361.44 : x
  2. Step 2: Convert to fraction form
    671,803.20/1,007,471.52 = 198,361.44/x
  3. Step 3: Cross multiply
    671,803.20x = 1,007,471.52 × 198,361.44
  4. Step 4: Simplify right side
    671,803.20x = 199,843,501,466.19
  5. Step 5: Solve for x
    x = 199,843,501,466.19/671,803.20
  6. Step 6: Final answer
    x = 297,473.28

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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.