Home / 683,365.17-1,025,145.78-210,090.27

Finding the Fourth Proportional to 683,365.17, 1,025,145.78 and 210,090.27

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Solution

The fourth proportional to 683,365.17, 1,025,145.78 and 210,090.27 is: 315,165.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,365.17 : 1,025,145.78 = 210,090.27 : x
  2. Step 2: Convert to fraction form
    683,365.17/1,025,145.78 = 210,090.27/x
  3. Step 3: Cross multiply
    683,365.17x = 1,025,145.78 × 210,090.27
  4. Step 4: Simplify right side
    683,365.17x = 215,373,153,709.56
  5. Step 5: Solve for x
    x = 215,373,153,709.56/683,365.17
  6. Step 6: Final answer
    x = 315,165.54

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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.