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Finding the Fourth Proportional to 439,442.66, 659,159.19 and 333,477.38

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Solution

The fourth proportional to 439,442.66, 659,159.19 and 333,477.38 is: 500,212.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,442.66 : 659,159.19 = 333,477.38 : x
  2. Step 2: Convert to fraction form
    439,442.66/659,159.19 = 333,477.38/x
  3. Step 3: Cross multiply
    439,442.66x = 659,159.19 × 333,477.38
  4. Step 4: Simplify right side
    439,442.66x = 219,814,676,388.33
  5. Step 5: Solve for x
    x = 219,814,676,388.33/439,442.66
  6. Step 6: Final answer
    x = 500,212.43

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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.