Home / 711,745.80-1,067,631.05-262,235.28

Finding the Fourth Proportional to 711,745.80, 1,067,631.05 and 262,235.28

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Solution

The fourth proportional to 711,745.80, 1,067,631.05 and 262,235.28 is: 393,357.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,745.80 : 1,067,631.05 = 262,235.28 : x
  2. Step 2: Convert to fraction form
    711,745.80/1,067,631.05 = 262,235.28/x
  3. Step 3: Cross multiply
    711,745.80x = 1,067,631.05 × 262,235.28
  4. Step 4: Simplify right side
    711,745.80x = 279,970,527,333.44
  5. Step 5: Solve for x
    x = 279,970,527,333.44/711,745.80
  6. Step 6: Final answer
    x = 393,357.47

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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.