Home / 510,621.21-704,651.31-281,173.73

Finding the Fourth Proportional to 510,621.21, 704,651.31 and 281,173.73

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Solution

The fourth proportional to 510,621.21, 704,651.31 and 281,173.73 is: 388,016.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,621.21 : 704,651.31 = 281,173.73 : x
  2. Step 2: Convert to fraction form
    510,621.21/704,651.31 = 281,173.73/x
  3. Step 3: Cross multiply
    510,621.21x = 704,651.31 × 281,173.73
  4. Step 4: Simplify right side
    510,621.21x = 198,129,433,658.83
  5. Step 5: Solve for x
    x = 198,129,433,658.83/510,621.21
  6. Step 6: Final answer
    x = 388,016.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.