Home / 948,086.17-1,308,349.97-518,361.73

Finding the Fourth Proportional to 948,086.17, 1,308,349.97 and 518,361.73

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Solution

The fourth proportional to 948,086.17, 1,308,349.97 and 518,361.73 is: 715,334.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,086.17 : 1,308,349.97 = 518,361.73 : x
  2. Step 2: Convert to fraction form
    948,086.17/1,308,349.97 = 518,361.73/x
  3. Step 3: Cross multiply
    948,086.17x = 1,308,349.97 × 518,361.73
  4. Step 4: Simplify right side
    948,086.17x = 678,198,549,975.82
  5. Step 5: Solve for x
    x = 678,198,549,975.82/948,086.17
  6. Step 6: Final answer
    x = 715,334.29

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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.