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Finding the Fourth Proportional to 603,226.63, 904,993.10 and 279,248.29

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Solution

The fourth proportional to 603,226.63, 904,993.10 and 279,248.29 is: 418,943.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,226.63 : 904,993.10 = 279,248.29 : x
  2. Step 2: Convert to fraction form
    603,226.63/904,993.10 = 279,248.29/x
  3. Step 3: Cross multiply
    603,226.63x = 904,993.10 × 279,248.29
  4. Step 4: Simplify right side
    603,226.63x = 252,717,778,115.84
  5. Step 5: Solve for x
    x = 252,717,778,115.84/603,226.63
  6. Step 6: Final answer
    x = 418,943.34

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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.