Home / 755,578.19-1,133,366.06-518,201.21

Finding the Fourth Proportional to 755,578.19, 1,133,366.06 and 518,201.21

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Solution

The fourth proportional to 755,578.19, 1,133,366.06 and 518,201.21 is: 777,300.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,578.19 : 1,133,366.06 = 518,201.21 : x
  2. Step 2: Convert to fraction form
    755,578.19/1,133,366.06 = 518,201.21/x
  3. Step 3: Cross multiply
    755,578.19x = 1,133,366.06 × 518,201.21
  4. Step 4: Simplify right side
    755,578.19x = 587,311,655,407.10
  5. Step 5: Solve for x
    x = 587,311,655,407.10/755,578.19
  6. Step 6: Final answer
    x = 777,300.97

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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.