Home / 711,209.80-1,067,106.30-262,145.80

Finding the Fourth Proportional to 711,209.80, 1,067,106.30 and 262,145.80

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Solution

The fourth proportional to 711,209.80, 1,067,106.30 and 262,145.80 is: 393,326.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,209.80 : 1,067,106.30 = 262,145.80 : x
  2. Step 2: Convert to fraction form
    711,209.80/1,067,106.30 = 262,145.80/x
  3. Step 3: Cross multiply
    711,209.80x = 1,067,106.30 × 262,145.80
  4. Step 4: Simplify right side
    711,209.80x = 279,737,434,698.54
  5. Step 5: Solve for x
    x = 279,737,434,698.54/711,209.80
  6. Step 6: Final answer
    x = 393,326.18

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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.