Home / 554,584.90-765,327.17-299,936.09

Finding the Fourth Proportional to 554,584.90, 765,327.17 and 299,936.09

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Solution

The fourth proportional to 554,584.90, 765,327.17 and 299,936.09 is: 413,911.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,584.90 : 765,327.17 = 299,936.09 : x
  2. Step 2: Convert to fraction form
    554,584.90/765,327.17 = 299,936.09/x
  3. Step 3: Cross multiply
    554,584.90x = 765,327.17 × 299,936.09
  4. Step 4: Simplify right side
    554,584.90x = 229,549,238,940.57
  5. Step 5: Solve for x
    x = 229,549,238,940.57/554,584.90
  6. Step 6: Final answer
    x = 413,911.81

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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.