Home / 948,067.85-1,308,346.05-518,348.48

Finding the Fourth Proportional to 948,067.85, 1,308,346.05 and 518,348.48

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Solution

The fourth proportional to 948,067.85, 1,308,346.05 and 518,348.48 is: 715,327.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,067.85 : 1,308,346.05 = 518,348.48 : x
  2. Step 2: Convert to fraction form
    948,067.85/1,308,346.05 = 518,348.48/x
  3. Step 3: Cross multiply
    948,067.85x = 1,308,346.05 × 518,348.48
  4. Step 4: Simplify right side
    948,067.85x = 678,179,177,845.97
  5. Step 5: Solve for x
    x = 678,179,177,845.97/948,067.85
  6. Step 6: Final answer
    x = 715,327.68

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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.