Home / 538,719.82-743,444.60-297,012.58

Finding the Fourth Proportional to 538,719.82, 743,444.60 and 297,012.58

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Solution

The fourth proportional to 538,719.82, 743,444.60 and 297,012.58 is: 409,883.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,719.82 : 743,444.60 = 297,012.58 : x
  2. Step 2: Convert to fraction form
    538,719.82/743,444.60 = 297,012.58/x
  3. Step 3: Cross multiply
    538,719.82x = 743,444.60 × 297,012.58
  4. Step 4: Simplify right side
    538,719.82x = 220,812,399,475.60
  5. Step 5: Solve for x
    x = 220,812,399,475.60/538,719.82
  6. Step 6: Final answer
    x = 409,883.56

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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.