Home / 683,586.78-1,025,496.81-210,261.66

Finding the Fourth Proportional to 683,586.78, 1,025,496.81 and 210,261.66

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Solution

The fourth proportional to 683,586.78, 1,025,496.81 and 210,261.66 is: 315,428.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,586.78 : 1,025,496.81 = 210,261.66 : x
  2. Step 2: Convert to fraction form
    683,586.78/1,025,496.81 = 210,261.66/x
  3. Step 3: Cross multiply
    683,586.78x = 1,025,496.81 × 210,261.66
  4. Step 4: Simplify right side
    683,586.78x = 215,622,661,595.31
  5. Step 5: Solve for x
    x = 215,622,661,595.31/683,586.78
  6. Step 6: Final answer
    x = 315,428.37

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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.