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Finding the Fourth Proportional to 538,309.67, 806,702.79 and 298,529.03

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Solution

The fourth proportional to 538,309.67, 806,702.79 and 298,529.03 is: 447,371.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,309.67 : 806,702.79 = 298,529.03 : x
  2. Step 2: Convert to fraction form
    538,309.67/806,702.79 = 298,529.03/x
  3. Step 3: Cross multiply
    538,309.67x = 806,702.79 × 298,529.03
  4. Step 4: Simplify right side
    538,309.67x = 240,824,199,995.53
  5. Step 5: Solve for x
    x = 240,824,199,995.53/538,309.67
  6. Step 6: Final answer
    x = 447,371.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.