Home / 669,538.08-1,004,361.79-314,358.34

Finding the Fourth Proportional to 669,538.08, 1,004,361.79 and 314,358.34

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Solution

The fourth proportional to 669,538.08, 1,004,361.79 and 314,358.34 is: 471,563.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,538.08 : 1,004,361.79 = 314,358.34 : x
  2. Step 2: Convert to fraction form
    669,538.08/1,004,361.79 = 314,358.34/x
  3. Step 3: Cross multiply
    669,538.08x = 1,004,361.79 × 314,358.34
  4. Step 4: Simplify right side
    669,538.08x = 315,729,505,063.83
  5. Step 5: Solve for x
    x = 315,729,505,063.83/669,538.08
  6. Step 6: Final answer
    x = 471,563.18

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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.