Home / 804,764.80-1,110,569.92-442,192.48

Finding the Fourth Proportional to 804,764.80, 1,110,569.92 and 442,192.48

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Solution

The fourth proportional to 804,764.80, 1,110,569.92 and 442,192.48 is: 610,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,764.80 : 1,110,569.92 = 442,192.48 : x
  2. Step 2: Convert to fraction form
    804,764.80/1,110,569.92 = 442,192.48/x
  3. Step 3: Cross multiply
    804,764.80x = 1,110,569.92 × 442,192.48
  4. Step 4: Simplify right side
    804,764.80x = 491,085,667,138.20
  5. Step 5: Solve for x
    x = 491,085,667,138.20/804,764.80
  6. Step 6: Final answer
    x = 610,222.60

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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.