Home / 750,911.08-1,036,257.38-449,105

Finding the Fourth Proportional to 750,911.08, 1,036,257.38 and 449,105

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Solution

The fourth proportional to 750,911.08, 1,036,257.38 and 449,105 is: 619,764.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,911.08 : 1,036,257.38 = 449,105 : x
  2. Step 2: Convert to fraction form
    750,911.08/1,036,257.38 = 449,105/x
  3. Step 3: Cross multiply
    750,911.08x = 1,036,257.38 × 449,105
  4. Step 4: Simplify right side
    750,911.08x = 465,388,370,644.90
  5. Step 5: Solve for x
    x = 465,388,370,644.90/750,911.08
  6. Step 6: Final answer
    x = 619,764.95

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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.