Home / 789,315.84-1,183,698.36-256,737.60

Finding the Fourth Proportional to 789,315.84, 1,183,698.36 and 256,737.60

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Solution

The fourth proportional to 789,315.84, 1,183,698.36 and 256,737.60 is: 385,016.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,315.84 : 1,183,698.36 = 256,737.60 : x
  2. Step 2: Convert to fraction form
    789,315.84/1,183,698.36 = 256,737.60/x
  3. Step 3: Cross multiply
    789,315.84x = 1,183,698.36 × 256,737.60
  4. Step 4: Simplify right side
    789,315.84x = 303,899,876,070.34
  5. Step 5: Solve for x
    x = 303,899,876,070.34/789,315.84
  6. Step 6: Final answer
    x = 385,016.82

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1.5x scale

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.