Home / 804,814.20-1,207,221.30-243,876.60

Finding the Fourth Proportional to 804,814.20, 1,207,221.30 and 243,876.60

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Solution

The fourth proportional to 804,814.20, 1,207,221.30 and 243,876.60 is: 365,814.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,814.20 : 1,207,221.30 = 243,876.60 : x
  2. Step 2: Convert to fraction form
    804,814.20/1,207,221.30 = 243,876.60/x
  3. Step 3: Cross multiply
    804,814.20x = 1,207,221.30 × 243,876.60
  4. Step 4: Simplify right side
    804,814.20x = 294,413,026,091.58
  5. Step 5: Solve for x
    x = 294,413,026,091.58/804,814.20
  6. Step 6: Final answer
    x = 365,814.90

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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.