Home / 579,279.52-799,177.67-361,361.38

Finding the Fourth Proportional to 579,279.52, 799,177.67 and 361,361.38

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Solution

The fourth proportional to 579,279.52, 799,177.67 and 361,361.38 is: 498,536.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,279.52 : 799,177.67 = 361,361.38 : x
  2. Step 2: Convert to fraction form
    579,279.52/799,177.67 = 361,361.38/x
  3. Step 3: Cross multiply
    579,279.52x = 799,177.67 × 361,361.38
  4. Step 4: Simplify right side
    579,279.52x = 288,791,945,696.39
  5. Step 5: Solve for x
    x = 288,791,945,696.39/579,279.52
  6. Step 6: Final answer
    x = 498,536.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.