Home / 948,009.64-1,308,200.34-518,204.20

Finding the Fourth Proportional to 948,009.64, 1,308,200.34 and 518,204.20

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Solution

The fourth proportional to 948,009.64, 1,308,200.34 and 518,204.20 is: 715,092.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,009.64 : 1,308,200.34 = 518,204.20 : x
  2. Step 2: Convert to fraction form
    948,009.64/1,308,200.34 = 518,204.20/x
  3. Step 3: Cross multiply
    948,009.64x = 1,308,200.34 × 518,204.20
  4. Step 4: Simplify right side
    948,009.64x = 677,914,910,629.43
  5. Step 5: Solve for x
    x = 677,914,910,629.43/948,009.64
  6. Step 6: Final answer
    x = 715,092.85

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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.