Home / 764,363.88-1,146,571.74-203,398.92

Finding the Fourth Proportional to 764,363.88, 1,146,571.74 and 203,398.92

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Solution

The fourth proportional to 764,363.88, 1,146,571.74 and 203,398.92 is: 305,105.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,363.88 : 1,146,571.74 = 203,398.92 : x
  2. Step 2: Convert to fraction form
    764,363.88/1,146,571.74 = 203,398.92/x
  3. Step 3: Cross multiply
    764,363.88x = 1,146,571.74 × 203,398.92
  4. Step 4: Simplify right side
    764,363.88x = 233,211,453,618.52
  5. Step 5: Solve for x
    x = 233,211,453,618.52/764,363.88
  6. Step 6: Final answer
    x = 305,105.28

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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.