Home / 722,696.40-1,084,296.12-323,379.36

Finding the Fourth Proportional to 722,696.40, 1,084,296.12 and 323,379.36

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Solution

The fourth proportional to 722,696.40, 1,084,296.12 and 323,379.36 is: 485,181.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,696.40 : 1,084,296.12 = 323,379.36 : x
  2. Step 2: Convert to fraction form
    722,696.40/1,084,296.12 = 323,379.36/x
  3. Step 3: Cross multiply
    722,696.40x = 1,084,296.12 × 323,379.36
  4. Step 4: Simplify right side
    722,696.40x = 350,638,985,336.08
  5. Step 5: Solve for x
    x = 350,638,985,336.08/722,696.40
  6. Step 6: Final answer
    x = 485,181.59

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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.