Home / 789,390.83-1,184,012.41-220,823.08

Finding the Fourth Proportional to 789,390.83, 1,184,012.41 and 220,823.08

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Solution

The fourth proportional to 789,390.83, 1,184,012.41 and 220,823.08 is: 331,213.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,390.83 : 1,184,012.41 = 220,823.08 : x
  2. Step 2: Convert to fraction form
    789,390.83/1,184,012.41 = 220,823.08/x
  3. Step 3: Cross multiply
    789,390.83x = 1,184,012.41 × 220,823.08
  4. Step 4: Simplify right side
    789,390.83x = 261,457,267,134.42
  5. Step 5: Solve for x
    x = 261,457,267,134.42/789,390.83
  6. Step 6: Final answer
    x = 331,213.97

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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.