Home / 681,286.48-1,021,929.45-361,372.12

Finding the Fourth Proportional to 681,286.48, 1,021,929.45 and 361,372.12

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Solution

The fourth proportional to 681,286.48, 1,021,929.45 and 361,372.12 is: 542,058.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,286.48 : 1,021,929.45 = 361,372.12 : x
  2. Step 2: Convert to fraction form
    681,286.48/1,021,929.45 = 361,372.12/x
  3. Step 3: Cross multiply
    681,286.48x = 1,021,929.45 × 361,372.12
  4. Step 4: Simplify right side
    681,286.48x = 369,296,811,836.93
  5. Step 5: Solve for x
    x = 369,296,811,836.93/681,286.48
  6. Step 6: Final answer
    x = 542,058.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.