Home / 711,534.80-1,067,445.04-262,257.86

Finding the Fourth Proportional to 711,534.80, 1,067,445.04 and 262,257.86

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Solution

The fourth proportional to 711,534.80, 1,067,445.04 and 262,257.86 is: 393,439.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,534.80 : 1,067,445.04 = 262,257.86 : x
  2. Step 2: Convert to fraction form
    711,534.80/1,067,445.04 = 262,257.86/x
  3. Step 3: Cross multiply
    711,534.80x = 1,067,445.04 × 262,257.86
  4. Step 4: Simplify right side
    711,534.80x = 279,945,851,858.01
  5. Step 5: Solve for x
    x = 279,945,851,858.01/711,534.80
  6. Step 6: Final answer
    x = 393,439.44

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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.