Home / 764,372.66-1,146,584.88-203,407.70

Finding the Fourth Proportional to 764,372.66, 1,146,584.88 and 203,407.70

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Solution

The fourth proportional to 764,372.66, 1,146,584.88 and 203,407.70 is: 305,118.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,372.66 : 1,146,584.88 = 203,407.70 : x
  2. Step 2: Convert to fraction form
    764,372.66/1,146,584.88 = 203,407.70/x
  3. Step 3: Cross multiply
    764,372.66x = 1,146,584.88 × 203,407.70
  4. Step 4: Simplify right side
    764,372.66x = 233,224,193,295.58
  5. Step 5: Solve for x
    x = 233,224,193,295.58/764,372.66
  6. Step 6: Final answer
    x = 305,118.44

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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.