Home / 804,722.48-1,110,535.44-442,168.88

Finding the Fourth Proportional to 804,722.48, 1,110,535.44 and 442,168.88

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Solution

The fourth proportional to 804,722.48, 1,110,535.44 and 442,168.88 is: 610,203.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,722.48 : 1,110,535.44 = 442,168.88 : x
  2. Step 2: Convert to fraction form
    804,722.48/1,110,535.44 = 442,168.88/x
  3. Step 3: Cross multiply
    804,722.48x = 1,110,535.44 × 442,168.88
  4. Step 4: Simplify right side
    804,722.48x = 491,044,211,705.11
  5. Step 5: Solve for x
    x = 491,044,211,705.11/804,722.48
  6. Step 6: Final answer
    x = 610,203.17

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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.