Home / 789,625.10-1,184,520.62-257,187.60

Finding the Fourth Proportional to 789,625.10, 1,184,520.62 and 257,187.60

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Solution

The fourth proportional to 789,625.10, 1,184,520.62 and 257,187.60 is: 385,808.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,625.10 : 1,184,520.62 = 257,187.60 : x
  2. Step 2: Convert to fraction form
    789,625.10/1,184,520.62 = 257,187.60/x
  3. Step 3: Cross multiply
    789,625.10x = 1,184,520.62 × 257,187.60
  4. Step 4: Simplify right side
    789,625.10x = 304,644,015,408.31
  5. Step 5: Solve for x
    x = 304,644,015,408.31/789,625.10
  6. Step 6: Final answer
    x = 385,808.42

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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.