Home / 804,078.06-1,109,663.90-481,781.23

Finding the Fourth Proportional to 804,078.06, 1,109,663.90 and 481,781.23

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Solution

The fourth proportional to 804,078.06, 1,109,663.90 and 481,781.23 is: 664,879.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,078.06 : 1,109,663.90 = 481,781.23 : x
  2. Step 2: Convert to fraction form
    804,078.06/1,109,663.90 = 481,781.23/x
  3. Step 3: Cross multiply
    804,078.06x = 1,109,663.90 × 481,781.23
  4. Step 4: Simplify right side
    804,078.06x = 534,615,237,962.23
  5. Step 5: Solve for x
    x = 534,615,237,962.23/804,078.06
  6. Step 6: Final answer
    x = 664,879.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.