Home / 763,322.43-1,145,508.48-264,686.43

Finding the Fourth Proportional to 763,322.43, 1,145,508.48 and 264,686.43

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Solution

The fourth proportional to 763,322.43, 1,145,508.48 and 264,686.43 is: 397,211.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,322.43 : 1,145,508.48 = 264,686.43 : x
  2. Step 2: Convert to fraction form
    763,322.43/1,145,508.48 = 264,686.43/x
  3. Step 3: Cross multiply
    763,322.43x = 1,145,508.48 × 264,686.43
  4. Step 4: Simplify right side
    763,322.43x = 303,200,550,105.93
  5. Step 5: Solve for x
    x = 303,200,550,105.93/763,322.43
  6. Step 6: Final answer
    x = 397,211.63

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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.