Home / 755,473.68-1,042,241.31-449,488.89

Finding the Fourth Proportional to 755,473.68, 1,042,241.31 and 449,488.89

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Solution

The fourth proportional to 755,473.68, 1,042,241.31 and 449,488.89 is: 620,108.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,473.68 : 1,042,241.31 = 449,488.89 : x
  2. Step 2: Convert to fraction form
    755,473.68/1,042,241.31 = 449,488.89/x
  3. Step 3: Cross multiply
    755,473.68x = 1,042,241.31 × 449,488.89
  4. Step 4: Simplify right side
    755,473.68x = 468,475,889,544.05
  5. Step 5: Solve for x
    x = 468,475,889,544.05/755,473.68
  6. Step 6: Final answer
    x = 620,108.82

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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.