Home / 949,091.09-1,309,745.70-519,371.37

Finding the Fourth Proportional to 949,091.09, 1,309,745.70 and 519,371.37

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Solution

The fourth proportional to 949,091.09, 1,309,745.70 and 519,371.37 is: 716,732.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,091.09 : 1,309,745.70 = 519,371.37 : x
  2. Step 2: Convert to fraction form
    949,091.09/1,309,745.70 = 519,371.37/x
  3. Step 3: Cross multiply
    949,091.09x = 1,309,745.70 × 519,371.37
  4. Step 4: Simplify right side
    949,091.09x = 680,244,418,560.61
  5. Step 5: Solve for x
    x = 680,244,418,560.61/949,091.09
  6. Step 6: Final answer
    x = 716,732.49

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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.