Home / 877,847.22-1,211,481.36-490,682.61

Finding the Fourth Proportional to 877,847.22, 1,211,481.36 and 490,682.61

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Solution

The fourth proportional to 877,847.22, 1,211,481.36 and 490,682.61 is: 677,171.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,847.22 : 1,211,481.36 = 490,682.61 : x
  2. Step 2: Convert to fraction form
    877,847.22/1,211,481.36 = 490,682.61/x
  3. Step 3: Cross multiply
    877,847.22x = 1,211,481.36 × 490,682.61
  4. Step 4: Simplify right side
    877,847.22x = 594,452,835,691.15
  5. Step 5: Solve for x
    x = 594,452,835,691.15/877,847.22
  6. Step 6: Final answer
    x = 677,171.18

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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.