Home / 538,555.28-743,202.96-293,539.76

Finding the Fourth Proportional to 538,555.28, 743,202.96 and 293,539.76

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Solution

The fourth proportional to 538,555.28, 743,202.96 and 293,539.76 is: 405,083.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,555.28 : 743,202.96 = 293,539.76 : x
  2. Step 2: Convert to fraction form
    538,555.28/743,202.96 = 293,539.76/x
  3. Step 3: Cross multiply
    538,555.28x = 743,202.96 × 293,539.76
  4. Step 4: Simplify right side
    538,555.28x = 218,159,618,509.69
  5. Step 5: Solve for x
    x = 218,159,618,509.69/538,555.28
  6. Step 6: Final answer
    x = 405,083.06

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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.