Home / 538,836.39-743,203.35-366,447.93

Finding the Fourth Proportional to 538,836.39, 743,203.35 and 366,447.93

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Solution

The fourth proportional to 538,836.39, 743,203.35 and 366,447.93 is: 505,432.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,836.39 : 743,203.35 = 366,447.93 : x
  2. Step 2: Convert to fraction form
    538,836.39/743,203.35 = 366,447.93/x
  3. Step 3: Cross multiply
    538,836.39x = 743,203.35 × 366,447.93
  4. Step 4: Simplify right side
    538,836.39x = 272,345,329,176.57
  5. Step 5: Solve for x
    x = 272,345,329,176.57/538,836.39
  6. Step 6: Final answer
    x = 505,432.32

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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.