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Finding the Fourth Proportional to 573,197.99, 790,996.13 and 328,174.61

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Solution

The fourth proportional to 573,197.99, 790,996.13 and 328,174.61 is: 452,871.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,197.99 : 790,996.13 = 328,174.61 : x
  2. Step 2: Convert to fraction form
    573,197.99/790,996.13 = 328,174.61/x
  3. Step 3: Cross multiply
    573,197.99x = 790,996.13 × 328,174.61
  4. Step 4: Simplify right side
    573,197.99x = 259,584,850,629.07
  5. Step 5: Solve for x
    x = 259,584,850,629.07/573,197.99
  6. Step 6: Final answer
    x = 452,871.18

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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.