Home / 538,696.17-743,397.75-296,977.86

Finding the Fourth Proportional to 538,696.17, 743,397.75 and 296,977.86

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Solution

The fourth proportional to 538,696.17, 743,397.75 and 296,977.86 is: 409,827.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,696.17 : 743,397.75 = 296,977.86 : x
  2. Step 2: Convert to fraction form
    538,696.17/743,397.75 = 296,977.86/x
  3. Step 3: Cross multiply
    538,696.17x = 743,397.75 × 296,977.86
  4. Step 4: Simplify right side
    538,696.17x = 220,772,672,923.82
  5. Step 5: Solve for x
    x = 220,772,672,923.82/538,696.17
  6. Step 6: Final answer
    x = 409,827.81

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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.