Home / 492,354.02-679,451.52-274,576.46

Finding the Fourth Proportional to 492,354.02, 679,451.52 and 274,576.46

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Solution

The fourth proportional to 492,354.02, 679,451.52 and 274,576.46 is: 378,917.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,354.02 : 679,451.52 = 274,576.46 : x
  2. Step 2: Convert to fraction form
    492,354.02/679,451.52 = 274,576.46/x
  3. Step 3: Cross multiply
    492,354.02x = 679,451.52 × 274,576.46
  4. Step 4: Simplify right side
    492,354.02x = 186,561,393,103.22
  5. Step 5: Solve for x
    x = 186,561,393,103.22/492,354.02
  6. Step 6: Final answer
    x = 378,917.17

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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.