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Finding the Fourth Proportional to 573,758.62, 860,665.95 and 218,706.46

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Solution

The fourth proportional to 573,758.62, 860,665.95 and 218,706.46 is: 328,070.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,758.62 : 860,665.95 = 218,706.46 : x
  2. Step 2: Convert to fraction form
    573,758.62/860,665.95 = 218,706.46/x
  3. Step 3: Cross multiply
    573,758.62x = 860,665.95 × 218,706.46
  4. Step 4: Simplify right side
    573,758.62x = 188,233,203,167.04
  5. Step 5: Solve for x
    x = 188,233,203,167.04/573,758.62
  6. Step 6: Final answer
    x = 328,070.37

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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.