Home / 726,655-1,090,204.44-371,920.36

Finding the Fourth Proportional to 726,655, 1,090,204.44 and 371,920.36

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Solution

The fourth proportional to 726,655, 1,090,204.44 and 371,920.36 is: 557,994.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,655 : 1,090,204.44 = 371,920.36 : x
  2. Step 2: Convert to fraction form
    726,655/1,090,204.44 = 371,920.36/x
  3. Step 3: Cross multiply
    726,655x = 1,090,204.44 × 371,920.36
  4. Step 4: Simplify right side
    726,655x = 405,469,227,798.40
  5. Step 5: Solve for x
    x = 405,469,227,798.40/726,655
  6. Step 6: Final answer
    x = 557,994.13

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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.