Home / 631,247.34-871,107.84-344,768.58

Finding the Fourth Proportional to 631,247.34, 871,107.84 and 344,768.58

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Solution

The fourth proportional to 631,247.34, 871,107.84 and 344,768.58 is: 475,773.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,247.34 : 871,107.84 = 344,768.58 : x
  2. Step 2: Convert to fraction form
    631,247.34/871,107.84 = 344,768.58/x
  3. Step 3: Cross multiply
    631,247.34x = 871,107.84 × 344,768.58
  4. Step 4: Simplify right side
    631,247.34x = 300,330,613,023.67
  5. Step 5: Solve for x
    x = 300,330,613,023.67/631,247.34
  6. Step 6: Final answer
    x = 475,773.27

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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.