Home / 789,601-1,184,401.67-221,065.85

Finding the Fourth Proportional to 789,601, 1,184,401.67 and 221,065.85

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Solution

The fourth proportional to 789,601, 1,184,401.67 and 221,065.85 is: 331,598.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,601 : 1,184,401.67 = 221,065.85 : x
  2. Step 2: Convert to fraction form
    789,601/1,184,401.67 = 221,065.85/x
  3. Step 3: Cross multiply
    789,601x = 1,184,401.67 × 221,065.85
  4. Step 4: Simplify right side
    789,601x = 261,830,761,919.97
  5. Step 5: Solve for x
    x = 261,830,761,919.97/789,601
  6. Step 6: Final answer
    x = 331,598.82

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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.