Home / 726,929.37-1,090,617.21-372,192.44

Finding the Fourth Proportional to 726,929.37, 1,090,617.21 and 372,192.44

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Solution

The fourth proportional to 726,929.37, 1,090,617.21 and 372,192.44 is: 558,402.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,929.37 : 1,090,617.21 = 372,192.44 : x
  2. Step 2: Convert to fraction form
    726,929.37/1,090,617.21 = 372,192.44/x
  3. Step 3: Cross multiply
    726,929.37x = 1,090,617.21 × 372,192.44
  4. Step 4: Simplify right side
    726,929.37x = 405,919,475,042.81
  5. Step 5: Solve for x
    x = 405,919,475,042.81/726,929.37
  6. Step 6: Final answer
    x = 558,402.91

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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.