Home / 636,733.22-878,682.48-350,236.22

Finding the Fourth Proportional to 636,733.22, 878,682.48 and 350,236.22

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Solution

The fourth proportional to 636,733.22, 878,682.48 and 350,236.22 is: 483,320.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,733.22 : 878,682.48 = 350,236.22 : x
  2. Step 2: Convert to fraction form
    636,733.22/878,682.48 = 350,236.22/x
  3. Step 3: Cross multiply
    636,733.22x = 878,682.48 × 350,236.22
  4. Step 4: Simplify right side
    636,733.22x = 307,746,430,375.43
  5. Step 5: Solve for x
    x = 307,746,430,375.43/636,733.22
  6. Step 6: Final answer
    x = 483,320.83

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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.