Home / 789,879.20-1,184,941.72-257,276.26

Finding the Fourth Proportional to 789,879.20, 1,184,941.72 and 257,276.26

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Solution

The fourth proportional to 789,879.20, 1,184,941.72 and 257,276.26 is: 385,954.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,879.20 : 1,184,941.72 = 257,276.26 : x
  2. Step 2: Convert to fraction form
    789,879.20/1,184,941.72 = 257,276.26/x
  3. Step 3: Cross multiply
    789,879.20x = 1,184,941.72 × 257,276.26
  4. Step 4: Simplify right side
    789,879.20x = 304,857,368,114.86
  5. Step 5: Solve for x
    x = 304,857,368,114.86/789,879.20
  6. Step 6: Final answer
    x = 385,954.42

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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.