Home / 948,008.64-1,308,198.96-518,203.20

Finding the Fourth Proportional to 948,008.64, 1,308,198.96 and 518,203.20

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Solution

The fourth proportional to 948,008.64, 1,308,198.96 and 518,203.20 is: 715,091.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,008.64 : 1,308,198.96 = 518,203.20 : x
  2. Step 2: Convert to fraction form
    948,008.64/1,308,198.96 = 518,203.20/x
  3. Step 3: Cross multiply
    948,008.64x = 1,308,198.96 × 518,203.20
  4. Step 4: Simplify right side
    948,008.64x = 677,912,887,308.67
  5. Step 5: Solve for x
    x = 677,912,887,308.67/948,008.64
  6. Step 6: Final answer
    x = 715,091.47

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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.