Home / 538,555.02-743,201.82-296,838.06

Finding the Fourth Proportional to 538,555.02, 743,201.82 and 296,838.06

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Solution

The fourth proportional to 538,555.02, 743,201.82 and 296,838.06 is: 409,634.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,555.02 : 743,201.82 = 296,838.06 : x
  2. Step 2: Convert to fraction form
    538,555.02/743,201.82 = 296,838.06/x
  3. Step 3: Cross multiply
    538,555.02x = 743,201.82 × 296,838.06
  4. Step 4: Simplify right side
    538,555.02x = 220,610,586,437.27
  5. Step 5: Solve for x
    x = 220,610,586,437.27/538,555.02
  6. Step 6: Final answer
    x = 409,634.26

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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.