Home / 812,604.96-1,219,228.20-251,683.20

Finding the Fourth Proportional to 812,604.96, 1,219,228.20 and 251,683.20

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Solution

The fourth proportional to 812,604.96, 1,219,228.20 and 251,683.20 is: 377,624.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,604.96 : 1,219,228.20 = 251,683.20 : x
  2. Step 2: Convert to fraction form
    812,604.96/1,219,228.20 = 251,683.20/x
  3. Step 3: Cross multiply
    812,604.96x = 1,219,228.20 × 251,683.20
  4. Step 4: Simplify right side
    812,604.96x = 306,859,254,906.24
  5. Step 5: Solve for x
    x = 306,859,254,906.24/812,604.96
  6. Step 6: Final answer
    x = 377,624.15

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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.