Home / 723,731.94-1,085,644.38-191,239.36

Finding the Fourth Proportional to 723,731.94, 1,085,644.38 and 191,239.36

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Solution

The fourth proportional to 723,731.94, 1,085,644.38 and 191,239.36 is: 286,871.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,731.94 : 1,085,644.38 = 191,239.36 : x
  2. Step 2: Convert to fraction form
    723,731.94/1,085,644.38 = 191,239.36/x
  3. Step 3: Cross multiply
    723,731.94x = 1,085,644.38 × 191,239.36
  4. Step 4: Simplify right side
    723,731.94x = 207,617,936,418.80
  5. Step 5: Solve for x
    x = 207,617,936,418.80/723,731.94
  6. Step 6: Final answer
    x = 286,871.32

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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.