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Finding the Fourth Proportional to 655,474.32, 983,797.56 and 335,844.24

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Solution

The fourth proportional to 655,474.32, 983,797.56 and 335,844.24 is: 504,066.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,474.32 : 983,797.56 = 335,844.24 : x
  2. Step 2: Convert to fraction form
    655,474.32/983,797.56 = 335,844.24/x
  3. Step 3: Cross multiply
    655,474.32x = 983,797.56 × 335,844.24
  4. Step 4: Simplify right side
    655,474.32x = 330,402,743,852.05
  5. Step 5: Solve for x
    x = 330,402,743,852.05/655,474.32
  6. Step 6: Final answer
    x = 504,066.65

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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.