Home / 538,428.33-743,036.09-296,719.57

Finding the Fourth Proportional to 538,428.33, 743,036.09 and 296,719.57

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Solution

The fourth proportional to 538,428.33, 743,036.09 and 296,719.57 is: 409,475.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,428.33 : 743,036.09 = 296,719.57 : x
  2. Step 2: Convert to fraction form
    538,428.33/743,036.09 = 296,719.57/x
  3. Step 3: Cross multiply
    538,428.33x = 743,036.09 × 296,719.57
  4. Step 4: Simplify right side
    538,428.33x = 220,473,348,564.48
  5. Step 5: Solve for x
    x = 220,473,348,564.48/538,428.33
  6. Step 6: Final answer
    x = 409,475.76

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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.