Home / 804,512.03-1,206,749.37-405,045.55

Finding the Fourth Proportional to 804,512.03, 1,206,749.37 and 405,045.55

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Solution

The fourth proportional to 804,512.03, 1,206,749.37 and 405,045.55 is: 607,558.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,512.03 : 1,206,749.37 = 405,045.55 : x
  2. Step 2: Convert to fraction form
    804,512.03/1,206,749.37 = 405,045.55/x
  3. Step 3: Cross multiply
    804,512.03x = 1,206,749.37 × 405,045.55
  4. Step 4: Simplify right side
    804,512.03x = 488,788,462,283.80
  5. Step 5: Solve for x
    x = 488,788,462,283.80/804,512.03
  6. Step 6: Final answer
    x = 607,558.92

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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.