Home / 764,373.66-1,146,586.38-203,408.70

Finding the Fourth Proportional to 764,373.66, 1,146,586.38 and 203,408.70

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Solution

The fourth proportional to 764,373.66, 1,146,586.38 and 203,408.70 is: 305,119.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,373.66 : 1,146,586.38 = 203,408.70 : x
  2. Step 2: Convert to fraction form
    764,373.66/1,146,586.38 = 203,408.70/x
  3. Step 3: Cross multiply
    764,373.66x = 1,146,586.38 × 203,408.70
  4. Step 4: Simplify right side
    764,373.66x = 233,225,644,993.51
  5. Step 5: Solve for x
    x = 233,225,644,993.51/764,373.66
  6. Step 6: Final answer
    x = 305,119.94

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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.