Home / 631,245.34-871,105.08-344,766.58

Finding the Fourth Proportional to 631,245.34, 871,105.08 and 344,766.58

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Solution

The fourth proportional to 631,245.34, 871,105.08 and 344,766.58 is: 475,770.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,245.34 : 871,105.08 = 344,766.58 : x
  2. Step 2: Convert to fraction form
    631,245.34/871,105.08 = 344,766.58/x
  3. Step 3: Cross multiply
    631,245.34x = 871,105.08 × 344,766.58
  4. Step 4: Simplify right side
    631,245.34x = 300,327,919,252.23
  5. Step 5: Solve for x
    x = 300,327,919,252.23/631,245.34
  6. Step 6: Final answer
    x = 475,770.51

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1.5x scale

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.