Home / 491,526.22-736,108.35-280,524.46

Finding the Fourth Proportional to 491,526.22, 736,108.35 and 280,524.46

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Solution

The fourth proportional to 491,526.22, 736,108.35 and 280,524.46 is: 420,112.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,526.22 : 736,108.35 = 280,524.46 : x
  2. Step 2: Convert to fraction form
    491,526.22/736,108.35 = 280,524.46/x
  3. Step 3: Cross multiply
    491,526.22x = 736,108.35 × 280,524.46
  4. Step 4: Simplify right side
    491,526.22x = 206,496,397,385.24
  5. Step 5: Solve for x
    x = 206,496,397,385.24/491,526.22
  6. Step 6: Final answer
    x = 420,112.68

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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.