Home / 804,514.17-1,206,752.55-405,047.69

Finding the Fourth Proportional to 804,514.17, 1,206,752.55 and 405,047.69

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Solution

The fourth proportional to 804,514.17, 1,206,752.55 and 405,047.69 is: 607,562.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,514.17 : 1,206,752.55 = 405,047.69 : x
  2. Step 2: Convert to fraction form
    804,514.17/1,206,752.55 = 405,047.69/x
  3. Step 3: Cross multiply
    804,514.17x = 1,206,752.55 × 405,047.69
  4. Step 4: Simplify right side
    804,514.17x = 488,792,326,745.35
  5. Step 5: Solve for x
    x = 488,792,326,745.35/804,514.17
  6. Step 6: Final answer
    x = 607,562.11

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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.