Home / 764,932.16-1,147,920.96-266,296.16

Finding the Fourth Proportional to 764,932.16, 1,147,920.96 and 266,296.16

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Solution

The fourth proportional to 764,932.16, 1,147,920.96 and 266,296.16 is: 399,626.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,932.16 : 1,147,920.96 = 266,296.16 : x
  2. Step 2: Convert to fraction form
    764,932.16/1,147,920.96 = 266,296.16/x
  3. Step 3: Cross multiply
    764,932.16x = 1,147,920.96 × 266,296.16
  4. Step 4: Simplify right side
    764,932.16x = 305,686,943,631.51
  5. Step 5: Solve for x
    x = 305,686,943,631.51/764,932.16
  6. Step 6: Final answer
    x = 399,626.21

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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.