Home / 665,400.98-997,736.96-327,699.02

Finding the Fourth Proportional to 665,400.98, 997,736.96 and 327,699.02

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Solution

The fourth proportional to 665,400.98, 997,736.96 and 327,699.02 is: 491,369.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,400.98 : 997,736.96 = 327,699.02 : x
  2. Step 2: Convert to fraction form
    665,400.98/997,736.96 = 327,699.02/x
  3. Step 3: Cross multiply
    665,400.98x = 997,736.96 × 327,699.02
  4. Step 4: Simplify right side
    665,400.98x = 326,957,417,382.60
  5. Step 5: Solve for x
    x = 326,957,417,382.60/665,400.98
  6. Step 6: Final answer
    x = 491,369.01

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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.