Home / 789,555.96-1,184,054.22-256,977.72

Finding the Fourth Proportional to 789,555.96, 1,184,054.22 and 256,977.72

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Solution

The fourth proportional to 789,555.96, 1,184,054.22 and 256,977.72 is: 385,375.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,555.96 : 1,184,054.22 = 256,977.72 : x
  2. Step 2: Convert to fraction form
    789,555.96/1,184,054.22 = 256,977.72/x
  3. Step 3: Cross multiply
    789,555.96x = 1,184,054.22 × 256,977.72
  4. Step 4: Simplify right side
    789,555.96x = 304,275,553,811.98
  5. Step 5: Solve for x
    x = 304,275,553,811.98/789,555.96
  6. Step 6: Final answer
    x = 385,375.54

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Double scale
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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.