Home / 403,864.20-605,796.30-325,132.20

Finding the Fourth Proportional to 403,864.20, 605,796.30 and 325,132.20

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Solution

The fourth proportional to 403,864.20, 605,796.30 and 325,132.20 is: 487,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,864.20 : 605,796.30 = 325,132.20 : x
  2. Step 2: Convert to fraction form
    403,864.20/605,796.30 = 325,132.20/x
  3. Step 3: Cross multiply
    403,864.20x = 605,796.30 × 325,132.20
  4. Step 4: Simplify right side
    403,864.20x = 196,963,883,770.86
  5. Step 5: Solve for x
    x = 196,963,883,770.86/403,864.20
  6. Step 6: Final answer
    x = 487,698.30

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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.