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Finding the Fourth Proportional to 551,479.80, 825,837.30 and 440,887.80

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Solution

The fourth proportional to 551,479.80, 825,837.30 and 440,887.80 is: 660,226.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,479.80 : 825,837.30 = 440,887.80 : x
  2. Step 2: Convert to fraction form
    551,479.80/825,837.30 = 440,887.80/x
  3. Step 3: Cross multiply
    551,479.80x = 825,837.30 × 440,887.80
  4. Step 4: Simplify right side
    551,479.80x = 364,101,590,354.94
  5. Step 5: Solve for x
    x = 364,101,590,354.94/551,479.80
  6. Step 6: Final answer
    x = 660,226.52

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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.