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Finding the Fourth Proportional to 578,333.47, 798,100.09 and 323,684.66

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Solution

The fourth proportional to 578,333.47, 798,100.09 and 323,684.66 is: 446,684.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,333.47 : 798,100.09 = 323,684.66 : x
  2. Step 2: Convert to fraction form
    578,333.47/798,100.09 = 323,684.66/x
  3. Step 3: Cross multiply
    578,333.47x = 798,100.09 × 323,684.66
  4. Step 4: Simplify right side
    578,333.47x = 258,332,752,974.35
  5. Step 5: Solve for x
    x = 258,332,752,974.35/578,333.47
  6. Step 6: Final answer
    x = 446,684.77

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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.