Home / 804,480.57-1,110,128.63-441,919.71

Finding the Fourth Proportional to 804,480.57, 1,110,128.63 and 441,919.71

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Solution

The fourth proportional to 804,480.57, 1,110,128.63 and 441,919.71 is: 609,819.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,480.57 : 1,110,128.63 = 441,919.71 : x
  2. Step 2: Convert to fraction form
    804,480.57/1,110,128.63 = 441,919.71/x
  3. Step 3: Cross multiply
    804,480.57x = 1,110,128.63 × 441,919.71
  4. Step 4: Simplify right side
    804,480.57x = 490,587,720,022.70
  5. Step 5: Solve for x
    x = 490,587,720,022.70/804,480.57
  6. Step 6: Final answer
    x = 609,819.23

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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.