Home / 851,718.96-1,277,578.44-220,632.75

Finding the Fourth Proportional to 851,718.96, 1,277,578.44 and 220,632.75

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Solution

The fourth proportional to 851,718.96, 1,277,578.44 and 220,632.75 is: 330,949.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,718.96 : 1,277,578.44 = 220,632.75 : x
  2. Step 2: Convert to fraction form
    851,718.96/1,277,578.44 = 220,632.75/x
  3. Step 3: Cross multiply
    851,718.96x = 1,277,578.44 × 220,632.75
  4. Step 4: Simplify right side
    851,718.96x = 281,875,644,557.91
  5. Step 5: Solve for x
    x = 281,875,644,557.91/851,718.96
  6. Step 6: Final answer
    x = 330,949.13

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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.