Home / 490,733.46-677,547.45-361,687.50

Finding the Fourth Proportional to 490,733.46, 677,547.45 and 361,687.50

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Solution

The fourth proportional to 490,733.46, 677,547.45 and 361,687.50 is: 499,375.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,733.46 : 677,547.45 = 361,687.50 : x
  2. Step 2: Convert to fraction form
    490,733.46/677,547.45 = 361,687.50/x
  3. Step 3: Cross multiply
    490,733.46x = 677,547.45 × 361,687.50
  4. Step 4: Simplify right side
    490,733.46x = 245,060,443,321.88
  5. Step 5: Solve for x
    x = 245,060,443,321.88/490,733.46
  6. Step 6: Final answer
    x = 499,375.86

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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.