Home / 804,511.90-1,206,749.18-405,045.42

Finding the Fourth Proportional to 804,511.90, 1,206,749.18 and 405,045.42

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Solution

The fourth proportional to 804,511.90, 1,206,749.18 and 405,045.42 is: 607,558.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,511.90 : 1,206,749.18 = 405,045.42 : x
  2. Step 2: Convert to fraction form
    804,511.90/1,206,749.18 = 405,045.42/x
  3. Step 3: Cross multiply
    804,511.90x = 1,206,749.18 × 405,045.42
  4. Step 4: Simplify right side
    804,511.90x = 488,788,228,447.76
  5. Step 5: Solve for x
    x = 488,788,228,447.76/804,511.90
  6. Step 6: Final answer
    x = 607,558.73

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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.