Home / 804,021.18-1,109,563.83-441,479.22

Finding the Fourth Proportional to 804,021.18, 1,109,563.83 and 441,479.22

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Solution

The fourth proportional to 804,021.18, 1,109,563.83 and 441,479.22 is: 609,249.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,021.18 : 1,109,563.83 = 441,479.22 : x
  2. Step 2: Convert to fraction form
    804,021.18/1,109,563.83 = 441,479.22/x
  3. Step 3: Cross multiply
    804,021.18x = 1,109,563.83 × 441,479.22
  4. Step 4: Simplify right side
    804,021.18x = 489,849,374,208.61
  5. Step 5: Solve for x
    x = 489,849,374,208.61/804,021.18
  6. Step 6: Final answer
    x = 609,249.34

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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.