Home / 628,148.20-941,906.94-290,898.76

Finding the Fourth Proportional to 628,148.20, 941,906.94 and 290,898.76

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Solution

The fourth proportional to 628,148.20, 941,906.94 and 290,898.76 is: 436,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,148.20 : 941,906.94 = 290,898.76 : x
  2. Step 2: Convert to fraction form
    628,148.20/941,906.94 = 290,898.76/x
  3. Step 3: Cross multiply
    628,148.20x = 941,906.94 × 290,898.76
  4. Step 4: Simplify right side
    628,148.20x = 273,999,560,881.39
  5. Step 5: Solve for x
    x = 273,999,560,881.39/628,148.20
  6. Step 6: Final answer
    x = 436,202.10

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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.