Home / 764,372.68-1,146,584.90-203,407.72

Finding the Fourth Proportional to 764,372.68, 1,146,584.90 and 203,407.72

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Solution

The fourth proportional to 764,372.68, 1,146,584.90 and 203,407.72 is: 305,118.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,372.68 : 1,146,584.90 = 203,407.72 : x
  2. Step 2: Convert to fraction form
    764,372.68/1,146,584.90 = 203,407.72/x
  3. Step 3: Cross multiply
    764,372.68x = 1,146,584.90 × 203,407.72
  4. Step 4: Simplify right side
    764,372.68x = 233,224,220,295.43
  5. Step 5: Solve for x
    x = 233,224,220,295.43/764,372.68
  6. Step 6: Final answer
    x = 305,118.47

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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.