Home / 726,623.30-1,090,009.27-277,722.01

Finding the Fourth Proportional to 726,623.30, 1,090,009.27 and 277,722.01

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Solution

The fourth proportional to 726,623.30, 1,090,009.27 and 277,722.01 is: 416,611.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,623.30 : 1,090,009.27 = 277,722.01 : x
  2. Step 2: Convert to fraction form
    726,623.30/1,090,009.27 = 277,722.01/x
  3. Step 3: Cross multiply
    726,623.30x = 1,090,009.27 × 277,722.01
  4. Step 4: Simplify right side
    726,623.30x = 302,719,567,092.70
  5. Step 5: Solve for x
    x = 302,719,567,092.70/726,623.30
  6. Step 6: Final answer
    x = 416,611.42

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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.