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Finding the Fourth Proportional to 397,800.04, 596,700.44 and 279,997.16

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Solution

The fourth proportional to 397,800.04, 596,700.44 and 279,997.16 is: 419,996.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,800.04 : 596,700.44 = 279,997.16 : x
  2. Step 2: Convert to fraction form
    397,800.04/596,700.44 = 279,997.16/x
  3. Step 3: Cross multiply
    397,800.04x = 596,700.44 × 279,997.16
  4. Step 4: Simplify right side
    397,800.04x = 167,074,428,570.75
  5. Step 5: Solve for x
    x = 167,074,428,570.75/397,800.04
  6. Step 6: Final answer
    x = 419,996.01

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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.