Home / 629,948.31-945,056.42-203,508.60

Finding the Fourth Proportional to 629,948.31, 945,056.42 and 203,508.60

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Solution

The fourth proportional to 629,948.31, 945,056.42 and 203,508.60 is: 305,306.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,948.31 : 945,056.42 = 203,508.60 : x
  2. Step 2: Convert to fraction form
    629,948.31/945,056.42 = 203,508.60/x
  3. Step 3: Cross multiply
    629,948.31x = 945,056.42 × 203,508.60
  4. Step 4: Simplify right side
    629,948.31x = 192,327,108,955.21
  5. Step 5: Solve for x
    x = 192,327,108,955.21/629,948.31
  6. Step 6: Final answer
    x = 305,306.17

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1.5x scale

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.