Home / 804,141.20-1,205,774.40-330,874.40

Finding the Fourth Proportional to 804,141.20, 1,205,774.40 and 330,874.40

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Solution

The fourth proportional to 804,141.20, 1,205,774.40 and 330,874.40 is: 496,131.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,141.20 : 1,205,774.40 = 330,874.40 : x
  2. Step 2: Convert to fraction form
    804,141.20/1,205,774.40 = 330,874.40/x
  3. Step 3: Cross multiply
    804,141.20x = 1,205,774.40 × 330,874.40
  4. Step 4: Simplify right side
    804,141.20x = 398,959,881,135.36
  5. Step 5: Solve for x
    x = 398,959,881,135.36/804,141.20
  6. Step 6: Final answer
    x = 496,131.63

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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.