Home / 711,417.87-1,067,182.38-205,986.38

Finding the Fourth Proportional to 711,417.87, 1,067,182.38 and 205,986.38

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Solution

The fourth proportional to 711,417.87, 1,067,182.38 and 205,986.38 is: 308,995.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,417.87 : 1,067,182.38 = 205,986.38 : x
  2. Step 2: Convert to fraction form
    711,417.87/1,067,182.38 = 205,986.38/x
  3. Step 3: Cross multiply
    711,417.87x = 1,067,182.38 × 205,986.38
  4. Step 4: Simplify right side
    711,417.87x = 219,825,029,920.07
  5. Step 5: Solve for x
    x = 219,825,029,920.07/711,417.87
  6. Step 6: Final answer
    x = 308,995.65

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1.5x scale

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.