Home / 862,179.45-1,189,718.24-530,982.96

Finding the Fourth Proportional to 862,179.45, 1,189,718.24 and 530,982.96

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Solution

The fourth proportional to 862,179.45, 1,189,718.24 and 530,982.96 is: 732,701.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,179.45 : 1,189,718.24 = 530,982.96 : x
  2. Step 2: Convert to fraction form
    862,179.45/1,189,718.24 = 530,982.96/x
  3. Step 3: Cross multiply
    862,179.45x = 1,189,718.24 × 530,982.96
  4. Step 4: Simplify right side
    862,179.45x = 631,720,109,986.28
  5. Step 5: Solve for x
    x = 631,720,109,986.28/862,179.45
  6. Step 6: Final answer
    x = 732,701.42

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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.