Home / 791,399.10-1,092,150.93-485,644.35

Finding the Fourth Proportional to 791,399.10, 1,092,150.93 and 485,644.35

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Solution

The fourth proportional to 791,399.10, 1,092,150.93 and 485,644.35 is: 670,201.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,399.10 : 1,092,150.93 = 485,644.35 : x
  2. Step 2: Convert to fraction form
    791,399.10/1,092,150.93 = 485,644.35/x
  3. Step 3: Cross multiply
    791,399.10x = 1,092,150.93 × 485,644.35
  4. Step 4: Simplify right side
    791,399.10x = 530,396,928,501.75
  5. Step 5: Solve for x
    x = 530,396,928,501.75/791,399.10
  6. Step 6: Final answer
    x = 670,201.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.