Home / 755,491.39-1,133,237.09-518,114.41

Finding the Fourth Proportional to 755,491.39, 1,133,237.09 and 518,114.41

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Solution

The fourth proportional to 755,491.39, 1,133,237.09 and 518,114.41 is: 777,171.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,491.39 : 1,133,237.09 = 518,114.41 : x
  2. Step 2: Convert to fraction form
    755,491.39/1,133,237.09 = 518,114.41/x
  3. Step 3: Cross multiply
    755,491.39x = 1,133,237.09 × 518,114.41
  4. Step 4: Simplify right side
    755,491.39x = 587,146,466,275.47
  5. Step 5: Solve for x
    x = 587,146,466,275.47/755,491.39
  6. Step 6: Final answer
    x = 777,171.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.