Home / 764,997.83-1,146,446.97-484,012.07

Finding the Fourth Proportional to 764,997.83, 1,146,446.97 and 484,012.07

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Solution

The fourth proportional to 764,997.83, 1,146,446.97 and 484,012.07 is: 725,353.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,997.83 : 1,146,446.97 = 484,012.07 : x
  2. Step 2: Convert to fraction form
    764,997.83/1,146,446.97 = 484,012.07/x
  3. Step 3: Cross multiply
    764,997.83x = 1,146,446.97 × 484,012.07
  4. Step 4: Simplify right side
    764,997.83x = 554,894,162,942.63
  5. Step 5: Solve for x
    x = 554,894,162,942.63/764,997.83
  6. Step 6: Final answer
    x = 725,353.91

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Double scale
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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.