Home / 538,513.29-743,126.46-293,492.85

Finding the Fourth Proportional to 538,513.29, 743,126.46 and 293,492.85

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Solution

The fourth proportional to 538,513.29, 743,126.46 and 293,492.85 is: 405,008.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,513.29 : 743,126.46 = 293,492.85 : x
  2. Step 2: Convert to fraction form
    538,513.29/743,126.46 = 293,492.85/x
  3. Step 3: Cross multiply
    538,513.29x = 743,126.46 × 293,492.85
  4. Step 4: Simplify right side
    538,513.29x = 218,102,301,093.37
  5. Step 5: Solve for x
    x = 218,102,301,093.37/538,513.29
  6. Step 6: Final answer
    x = 405,008.21

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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.