Home / 789,895.72-1,184,660.52-221,316.76

Finding the Fourth Proportional to 789,895.72, 1,184,660.52 and 221,316.76

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Solution

The fourth proportional to 789,895.72, 1,184,660.52 and 221,316.76 is: 331,923.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,895.72 : 1,184,660.52 = 221,316.76 : x
  2. Step 2: Convert to fraction form
    789,895.72/1,184,660.52 = 221,316.76/x
  3. Step 3: Cross multiply
    789,895.72x = 1,184,660.52 × 221,316.76
  4. Step 4: Simplify right side
    789,895.72x = 262,185,227,986.32
  5. Step 5: Solve for x
    x = 262,185,227,986.32/789,895.72
  6. Step 6: Final answer
    x = 331,923.85

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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.