Home / 774,687.58-1,162,098.30-213,722.08

Finding the Fourth Proportional to 774,687.58, 1,162,098.30 and 213,722.08

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Solution

The fourth proportional to 774,687.58, 1,162,098.30 and 213,722.08 is: 320,601.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,687.58 : 1,162,098.30 = 213,722.08 : x
  2. Step 2: Convert to fraction form
    774,687.58/1,162,098.30 = 213,722.08/x
  3. Step 3: Cross multiply
    774,687.58x = 1,162,098.30 × 213,722.08
  4. Step 4: Simplify right side
    774,687.58x = 248,366,060,029.97
  5. Step 5: Solve for x
    x = 248,366,060,029.97/774,687.58
  6. Step 6: Final answer
    x = 320,601.58

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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.