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Finding the Fourth Proportional to 573,664, 860,496 and 273,233.92

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Solution

The fourth proportional to 573,664, 860,496 and 273,233.92 is: 409,850.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,664 : 860,496 = 273,233.92 : x
  2. Step 2: Convert to fraction form
    573,664/860,496 = 273,233.92/x
  3. Step 3: Cross multiply
    573,664x = 860,496 × 273,233.92
  4. Step 4: Simplify right side
    573,664x = 235,116,695,224.32
  5. Step 5: Solve for x
    x = 235,116,695,224.32/573,664
  6. Step 6: Final answer
    x = 409,850.88

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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.