Home / 763,325.43-1,145,512.98-264,689.43

Finding the Fourth Proportional to 763,325.43, 1,145,512.98 and 264,689.43

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Solution

The fourth proportional to 763,325.43, 1,145,512.98 and 264,689.43 is: 397,216.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,325.43 : 1,145,512.98 = 264,689.43 : x
  2. Step 2: Convert to fraction form
    763,325.43/1,145,512.98 = 264,689.43/x
  3. Step 3: Cross multiply
    763,325.43x = 1,145,512.98 × 264,689.43
  4. Step 4: Simplify right side
    763,325.43x = 303,205,177,733.80
  5. Step 5: Solve for x
    x = 303,205,177,733.80/763,325.43
  6. Step 6: Final answer
    x = 397,216.14

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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.