Home / 789,627.10-1,184,523.62-257,189.60

Finding the Fourth Proportional to 789,627.10, 1,184,523.62 and 257,189.60

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Solution

The fourth proportional to 789,627.10, 1,184,523.62 and 257,189.60 is: 385,811.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,627.10 : 1,184,523.62 = 257,189.60 : x
  2. Step 2: Convert to fraction form
    789,627.10/1,184,523.62 = 257,189.60/x
  3. Step 3: Cross multiply
    789,627.10x = 1,184,523.62 × 257,189.60
  4. Step 4: Simplify right side
    789,627.10x = 304,647,156,018.35
  5. Step 5: Solve for x
    x = 304,647,156,018.35/789,627.10
  6. Step 6: Final answer
    x = 385,811.42

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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.