Home / 755,575.19-1,133,361.56-518,198.21

Finding the Fourth Proportional to 755,575.19, 1,133,361.56 and 518,198.21

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Solution

The fourth proportional to 755,575.19, 1,133,361.56 and 518,198.21 is: 777,296.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,575.19 : 1,133,361.56 = 518,198.21 : x
  2. Step 2: Convert to fraction form
    755,575.19/1,133,361.56 = 518,198.21/x
  3. Step 3: Cross multiply
    755,575.19x = 1,133,361.56 × 518,198.21
  4. Step 4: Simplify right side
    755,575.19x = 587,305,923,417.01
  5. Step 5: Solve for x
    x = 587,305,923,417.01/755,575.19
  6. Step 6: Final answer
    x = 777,296.47

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1.5x scale

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.