Home / 684,559.96-1,026,976.82-211,227.52

Finding the Fourth Proportional to 684,559.96, 1,026,976.82 and 211,227.52

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Solution

The fourth proportional to 684,559.96, 1,026,976.82 and 211,227.52 is: 316,883.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,559.96 : 1,026,976.82 = 211,227.52 : x
  2. Step 2: Convert to fraction form
    684,559.96/1,026,976.82 = 211,227.52/x
  3. Step 3: Cross multiply
    684,559.96x = 1,026,976.82 × 211,227.52
  4. Step 4: Simplify right side
    684,559.96x = 216,925,766,786.09
  5. Step 5: Solve for x
    x = 216,925,766,786.09/684,559.96
  6. Step 6: Final answer
    x = 316,883.52

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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.