Home / 764,893.80-1,147,340.70-682,225.20

Finding the Fourth Proportional to 764,893.80, 1,147,340.70 and 682,225.20

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Solution

The fourth proportional to 764,893.80, 1,147,340.70 and 682,225.20 is: 1,023,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,893.80 : 1,147,340.70 = 682,225.20 : x
  2. Step 2: Convert to fraction form
    764,893.80/1,147,340.70 = 682,225.20/x
  3. Step 3: Cross multiply
    764,893.80x = 1,147,340.70 × 682,225.20
  4. Step 4: Simplify right side
    764,893.80x = 782,744,738,525.64
  5. Step 5: Solve for x
    x = 782,744,738,525.64/764,893.80
  6. Step 6: Final answer
    x = 1,023,337.80

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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.