Home / 804,954.36-1,110,783.20-442,370.40

Finding the Fourth Proportional to 804,954.36, 1,110,783.20 and 442,370.40

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Solution

The fourth proportional to 804,954.36, 1,110,783.20 and 442,370.40 is: 610,441.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,954.36 : 1,110,783.20 = 442,370.40 : x
  2. Step 2: Convert to fraction form
    804,954.36/1,110,783.20 = 442,370.40/x
  3. Step 3: Cross multiply
    804,954.36x = 1,110,783.20 × 442,370.40
  4. Step 4: Simplify right side
    804,954.36x = 491,377,608,497.28
  5. Step 5: Solve for x
    x = 491,377,608,497.28/804,954.36
  6. Step 6: Final answer
    x = 610,441.58

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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.