Home / 764,755.60-1,147,155.18-259,318

Finding the Fourth Proportional to 764,755.60, 1,147,155.18 and 259,318

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Solution

The fourth proportional to 764,755.60, 1,147,155.18 and 259,318 is: 388,984.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,755.60 : 1,147,155.18 = 259,318 : x
  2. Step 2: Convert to fraction form
    764,755.60/1,147,155.18 = 259,318/x
  3. Step 3: Cross multiply
    764,755.60x = 1,147,155.18 × 259,318
  4. Step 4: Simplify right side
    764,755.60x = 297,477,986,967.24
  5. Step 5: Solve for x
    x = 297,477,986,967.24/764,755.60
  6. Step 6: Final answer
    x = 388,984.39

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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.