Home / 711,687.56-1,067,485.26-268,444.04

Finding the Fourth Proportional to 711,687.56, 1,067,485.26 and 268,444.04

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Solution

The fourth proportional to 711,687.56, 1,067,485.26 and 268,444.04 is: 402,648.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,687.56 : 1,067,485.26 = 268,444.04 : x
  2. Step 2: Convert to fraction form
    711,687.56/1,067,485.26 = 268,444.04/x
  3. Step 3: Cross multiply
    711,687.56x = 1,067,485.26 × 268,444.04
  4. Step 4: Simplify right side
    711,687.56x = 286,560,055,834.85
  5. Step 5: Solve for x
    x = 286,560,055,834.85/711,687.56
  6. Step 6: Final answer
    x = 402,648.68

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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.