Home / 538,705.06-743,399.30-296,982.02

Finding the Fourth Proportional to 538,705.06, 743,399.30 and 296,982.02

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Solution

The fourth proportional to 538,705.06, 743,399.30 and 296,982.02 is: 409,827.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,705.06 : 743,399.30 = 296,982.02 : x
  2. Step 2: Convert to fraction form
    538,705.06/743,399.30 = 296,982.02/x
  3. Step 3: Cross multiply
    538,705.06x = 743,399.30 × 296,982.02
  4. Step 4: Simplify right side
    538,705.06x = 220,776,225,780.59
  5. Step 5: Solve for x
    x = 220,776,225,780.59/538,705.06
  6. Step 6: Final answer
    x = 409,827.64

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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.