Home / 497,982.58-687,209.97-271,623.22

Finding the Fourth Proportional to 497,982.58, 687,209.97 and 271,623.22

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Solution

The fourth proportional to 497,982.58, 687,209.97 and 271,623.22 is: 374,836.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,982.58 : 687,209.97 = 271,623.22 : x
  2. Step 2: Convert to fraction form
    497,982.58/687,209.97 = 271,623.22/x
  3. Step 3: Cross multiply
    497,982.58x = 687,209.97 × 271,623.22
  4. Step 4: Simplify right side
    497,982.58x = 186,662,184,867.50
  5. Step 5: Solve for x
    x = 186,662,184,867.50/497,982.58
  6. Step 6: Final answer
    x = 374,836.78

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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.