Home / 711,668.85-1,067,335.61-262,145.58

Finding the Fourth Proportional to 711,668.85, 1,067,335.61 and 262,145.58

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Solution

The fourth proportional to 711,668.85, 1,067,335.61 and 262,145.58 is: 393,156.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,668.85 : 1,067,335.61 = 262,145.58 : x
  2. Step 2: Convert to fraction form
    711,668.85/1,067,335.61 = 262,145.58/x
  3. Step 3: Cross multiply
    711,668.85x = 1,067,335.61 × 262,145.58
  4. Step 4: Simplify right side
    711,668.85x = 279,797,311,227.38
  5. Step 5: Solve for x
    x = 279,797,311,227.38/711,668.85
  6. Step 6: Final answer
    x = 393,156.61

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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.