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Finding the Fourth Proportional to 606,999.80, 910,621.20 and 180,534.80

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Solution

The fourth proportional to 606,999.80, 910,621.20 and 180,534.80 is: 270,838.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,999.80 : 910,621.20 = 180,534.80 : x
  2. Step 2: Convert to fraction form
    606,999.80/910,621.20 = 180,534.80/x
  3. Step 3: Cross multiply
    606,999.80x = 910,621.20 × 180,534.80
  4. Step 4: Simplify right side
    606,999.80x = 164,398,816,217.76
  5. Step 5: Solve for x
    x = 164,398,816,217.76/606,999.80
  6. Step 6: Final answer
    x = 270,838.34

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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.