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Finding the Fourth Proportional to 399,636.04, 598,937.33 and 299,006.70

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Solution

The fourth proportional to 399,636.04, 598,937.33 and 299,006.70 is: 448,123.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,636.04 : 598,937.33 = 299,006.70 : x
  2. Step 2: Convert to fraction form
    399,636.04/598,937.33 = 299,006.70/x
  3. Step 3: Cross multiply
    399,636.04x = 598,937.33 × 299,006.70
  4. Step 4: Simplify right side
    399,636.04x = 179,086,274,550.11
  5. Step 5: Solve for x
    x = 179,086,274,550.11/399,636.04
  6. Step 6: Final answer
    x = 448,123.43

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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.