Home / 802,221.48-1,107,065.22-479,944.68

Finding the Fourth Proportional to 802,221.48, 1,107,065.22 and 479,944.68

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Solution

The fourth proportional to 802,221.48, 1,107,065.22 and 479,944.68 is: 662,323.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,221.48 : 1,107,065.22 = 479,944.68 : x
  2. Step 2: Convert to fraction form
    802,221.48/1,107,065.22 = 479,944.68/x
  3. Step 3: Cross multiply
    802,221.48x = 1,107,065.22 × 479,944.68
  4. Step 4: Simplify right side
    802,221.48x = 531,330,062,752.03
  5. Step 5: Solve for x
    x = 531,330,062,752.03/802,221.48
  6. Step 6: Final answer
    x = 662,323.41

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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.