Home / 789,012.80-1,183,493.28-315,571.04

Finding the Fourth Proportional to 789,012.80, 1,183,493.28 and 315,571.04

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Solution

The fourth proportional to 789,012.80, 1,183,493.28 and 315,571.04 is: 473,346.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,012.80 : 1,183,493.28 = 315,571.04 : x
  2. Step 2: Convert to fraction form
    789,012.80/1,183,493.28 = 315,571.04/x
  3. Step 3: Cross multiply
    789,012.80x = 1,183,493.28 × 315,571.04
  4. Step 4: Simplify right side
    789,012.80x = 373,476,205,202.61
  5. Step 5: Solve for x
    x = 373,476,205,202.61/789,012.80
  6. Step 6: Final answer
    x = 473,346.19

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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.