Home / 681,031.80-1,021,197.78-365,753.88

Finding the Fourth Proportional to 681,031.80, 1,021,197.78 and 365,753.88

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Solution

The fourth proportional to 681,031.80, 1,021,197.78 and 365,753.88 is: 548,442.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,031.80 : 1,021,197.78 = 365,753.88 : x
  2. Step 2: Convert to fraction form
    681,031.80/1,021,197.78 = 365,753.88/x
  3. Step 3: Cross multiply
    681,031.80x = 1,021,197.78 × 365,753.88
  4. Step 4: Simplify right side
    681,031.80x = 373,507,050,282.39
  5. Step 5: Solve for x
    x = 373,507,050,282.39/681,031.80
  6. Step 6: Final answer
    x = 548,442.89

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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.