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Finding the Fourth Proportional to 562,009.58, 843,208.77 and 325,558.70

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Solution

The fourth proportional to 562,009.58, 843,208.77 and 325,558.70 is: 488,450.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,009.58 : 843,208.77 = 325,558.70 : x
  2. Step 2: Convert to fraction form
    562,009.58/843,208.77 = 325,558.70/x
  3. Step 3: Cross multiply
    562,009.58x = 843,208.77 × 325,558.70
  4. Step 4: Simplify right side
    562,009.58x = 274,513,950,989.80
  5. Step 5: Solve for x
    x = 274,513,950,989.80/562,009.58
  6. Step 6: Final answer
    x = 488,450.66

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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.