Home / 764,619.84-1,146,383.64-359,585.28

Finding the Fourth Proportional to 764,619.84, 1,146,383.64 and 359,585.28

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Solution

The fourth proportional to 764,619.84, 1,146,383.64 and 359,585.28 is: 539,121.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,619.84 : 1,146,383.64 = 359,585.28 : x
  2. Step 2: Convert to fraction form
    764,619.84/1,146,383.64 = 359,585.28/x
  3. Step 3: Cross multiply
    764,619.84x = 1,146,383.64 × 359,585.28
  4. Step 4: Simplify right side
    764,619.84x = 412,222,682,176.82
  5. Step 5: Solve for x
    x = 412,222,682,176.82/764,619.84
  6. Step 6: Final answer
    x = 539,121.09

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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.