Home / 763,324.43-1,145,511.48-264,688.43

Finding the Fourth Proportional to 763,324.43, 1,145,511.48 and 264,688.43

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Solution

The fourth proportional to 763,324.43, 1,145,511.48 and 264,688.43 is: 397,214.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,324.43 : 1,145,511.48 = 264,688.43 : x
  2. Step 2: Convert to fraction form
    763,324.43/1,145,511.48 = 264,688.43/x
  3. Step 3: Cross multiply
    763,324.43x = 1,145,511.48 × 264,688.43
  4. Step 4: Simplify right side
    763,324.43x = 303,203,635,188.18
  5. Step 5: Solve for x
    x = 303,203,635,188.18/763,324.43
  6. Step 6: Final answer
    x = 397,214.64

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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.