Home / 726,667.20-1,090,000.80-371,563.20

Finding the Fourth Proportional to 726,667.20, 1,090,000.80 and 371,563.20

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Solution

The fourth proportional to 726,667.20, 1,090,000.80 and 371,563.20 is: 557,344.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,667.20 : 1,090,000.80 = 371,563.20 : x
  2. Step 2: Convert to fraction form
    726,667.20/1,090,000.80 = 371,563.20/x
  3. Step 3: Cross multiply
    726,667.20x = 1,090,000.80 × 371,563.20
  4. Step 4: Simplify right side
    726,667.20x = 405,004,185,250.56
  5. Step 5: Solve for x
    x = 405,004,185,250.56/726,667.20
  6. Step 6: Final answer
    x = 557,344.80

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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.