Home / 741,608.88-1,112,411.16-641,471.28

Finding the Fourth Proportional to 741,608.88, 1,112,411.16 and 641,471.28

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Solution

The fourth proportional to 741,608.88, 1,112,411.16 and 641,471.28 is: 962,205.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,608.88 : 1,112,411.16 = 641,471.28 : x
  2. Step 2: Convert to fraction form
    741,608.88/1,112,411.16 = 641,471.28/x
  3. Step 3: Cross multiply
    741,608.88x = 1,112,411.16 × 641,471.28
  4. Step 4: Simplify right side
    741,608.88x = 713,579,810,691.49
  5. Step 5: Solve for x
    x = 713,579,810,691.49/741,608.88
  6. Step 6: Final answer
    x = 962,205.05

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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.