Home / 538,694.06-743,403.53-296,985.29

Finding the Fourth Proportional to 538,694.06, 743,403.53 and 296,985.29

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Solution

The fourth proportional to 538,694.06, 743,403.53 and 296,985.29 is: 409,842.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,694.06 : 743,403.53 = 296,985.29 : x
  2. Step 2: Convert to fraction form
    538,694.06/743,403.53 = 296,985.29/x
  3. Step 3: Cross multiply
    538,694.06x = 743,403.53 × 296,985.29
  4. Step 4: Simplify right side
    538,694.06x = 220,779,909,969.52
  5. Step 5: Solve for x
    x = 220,779,909,969.52/538,694.06
  6. Step 6: Final answer
    x = 409,842.85

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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.