Home / 808,043.37-1,115,108.43-445,480.20

Finding the Fourth Proportional to 808,043.37, 1,115,108.43 and 445,480.20

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Solution

The fourth proportional to 808,043.37, 1,115,108.43 and 445,480.20 is: 614,767.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,043.37 : 1,115,108.43 = 445,480.20 : x
  2. Step 2: Convert to fraction form
    808,043.37/1,115,108.43 = 445,480.20/x
  3. Step 3: Cross multiply
    808,043.37x = 1,115,108.43 × 445,480.20
  4. Step 4: Simplify right side
    808,043.37x = 496,758,726,418.09
  5. Step 5: Solve for x
    x = 496,758,726,418.09/808,043.37
  6. Step 6: Final answer
    x = 614,767.41

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Double scale
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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.