Home / 764,735.80-1,146,433-291,106.12

Finding the Fourth Proportional to 764,735.80, 1,146,433 and 291,106.12

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Solution

The fourth proportional to 764,735.80, 1,146,433 and 291,106.12 is: 436,403.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,735.80 : 1,146,433 = 291,106.12 : x
  2. Step 2: Convert to fraction form
    764,735.80/1,146,433 = 291,106.12/x
  3. Step 3: Cross multiply
    764,735.80x = 1,146,433 × 291,106.12
  4. Step 4: Simplify right side
    764,735.80x = 333,733,662,469.96
  5. Step 5: Solve for x
    x = 333,733,662,469.96/764,735.80
  6. Step 6: Final answer
    x = 436,403.87

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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.