Home / 486,982.60-672,023.08-272,124.43

Finding the Fourth Proportional to 486,982.60, 672,023.08 and 272,124.43

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Solution

The fourth proportional to 486,982.60, 672,023.08 and 272,124.43 is: 375,524.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,982.60 : 672,023.08 = 272,124.43 : x
  2. Step 2: Convert to fraction form
    486,982.60/672,023.08 = 272,124.43/x
  3. Step 3: Cross multiply
    486,982.60x = 672,023.08 × 272,124.43
  4. Step 4: Simplify right side
    486,982.60x = 182,873,897,591.84
  5. Step 5: Solve for x
    x = 182,873,897,591.84/486,982.60
  6. Step 6: Final answer
    x = 375,524.50

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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.