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Finding the Fourth Proportional to 588,634.74, 812,291.94 and 333,980.46

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Solution

The fourth proportional to 588,634.74, 812,291.94 and 333,980.46 is: 460,879.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,634.74 : 812,291.94 = 333,980.46 : x
  2. Step 2: Convert to fraction form
    588,634.74/812,291.94 = 333,980.46/x
  3. Step 3: Cross multiply
    588,634.74x = 812,291.94 × 333,980.46
  4. Step 4: Simplify right side
    588,634.74x = 271,289,635,775.49
  5. Step 5: Solve for x
    x = 271,289,635,775.49/588,634.74
  6. Step 6: Final answer
    x = 460,879.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.