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Finding the Fourth Proportional to 594,317.88, 819,959.22 and 339,488.64

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Solution

The fourth proportional to 594,317.88, 819,959.22 and 339,488.64 is: 468,380.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,317.88 : 819,959.22 = 339,488.64 : x
  2. Step 2: Convert to fraction form
    594,317.88/819,959.22 = 339,488.64/x
  3. Step 3: Cross multiply
    594,317.88x = 819,959.22 × 339,488.64
  4. Step 4: Simplify right side
    594,317.88x = 278,366,840,453.26
  5. Step 5: Solve for x
    x = 278,366,840,453.26/594,317.88
  6. Step 6: Final answer
    x = 468,380.39

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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.