Home / 683,391.36-1,025,185.28-210,116.48

Finding the Fourth Proportional to 683,391.36, 1,025,185.28 and 210,116.48

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Solution

The fourth proportional to 683,391.36, 1,025,185.28 and 210,116.48 is: 315,204.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,391.36 : 1,025,185.28 = 210,116.48 : x
  2. Step 2: Convert to fraction form
    683,391.36/1,025,185.28 = 210,116.48/x
  3. Step 3: Cross multiply
    683,391.36x = 1,025,185.28 × 210,116.48
  4. Step 4: Simplify right side
    683,391.36x = 215,408,322,381.41
  5. Step 5: Solve for x
    x = 215,408,322,381.41/683,391.36
  6. Step 6: Final answer
    x = 315,204.93

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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.