Home / 829,643.76-1,244,647.08-268,734.96

Finding the Fourth Proportional to 829,643.76, 1,244,647.08 and 268,734.96

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Solution

The fourth proportional to 829,643.76, 1,244,647.08 and 268,734.96 is: 403,161.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,643.76 : 1,244,647.08 = 268,734.96 : x
  2. Step 2: Convert to fraction form
    829,643.76/1,244,647.08 = 268,734.96/x
  3. Step 3: Cross multiply
    829,643.76x = 1,244,647.08 × 268,734.96
  4. Step 4: Simplify right side
    829,643.76x = 334,480,183,257.92
  5. Step 5: Solve for x
    x = 334,480,183,257.92/829,643.76
  6. Step 6: Final answer
    x = 403,161.21

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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.