Home / 764,867.80-1,147,301.70-682,199.20

Finding the Fourth Proportional to 764,867.80, 1,147,301.70 and 682,199.20

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Solution

The fourth proportional to 764,867.80, 1,147,301.70 and 682,199.20 is: 1,023,298.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,867.80 : 1,147,301.70 = 682,199.20 : x
  2. Step 2: Convert to fraction form
    764,867.80/1,147,301.70 = 682,199.20/x
  3. Step 3: Cross multiply
    764,867.80x = 1,147,301.70 × 682,199.20
  4. Step 4: Simplify right side
    764,867.80x = 782,688,301,898.64
  5. Step 5: Solve for x
    x = 782,688,301,898.64/764,867.80
  6. Step 6: Final answer
    x = 1,023,298.80

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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.