Home / 789,416.66-1,183,943.84-220,838.02

Finding the Fourth Proportional to 789,416.66, 1,183,943.84 and 220,838.02

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Solution

The fourth proportional to 789,416.66, 1,183,943.84 and 220,838.02 is: 331,206.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,416.66 : 1,183,943.84 = 220,838.02 : x
  2. Step 2: Convert to fraction form
    789,416.66/1,183,943.84 = 220,838.02/x
  3. Step 3: Cross multiply
    789,416.66x = 1,183,943.84 × 220,838.02
  4. Step 4: Simplify right side
    789,416.66x = 261,459,813,416.80
  5. Step 5: Solve for x
    x = 261,459,813,416.80/789,416.66
  6. Step 6: Final answer
    x = 331,206.35

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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.