Home / 802,222.48-1,107,066.60-479,945.68

Finding the Fourth Proportional to 802,222.48, 1,107,066.60 and 479,945.68

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Solution

The fourth proportional to 802,222.48, 1,107,066.60 and 479,945.68 is: 662,324.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,222.48 : 1,107,066.60 = 479,945.68 : x
  2. Step 2: Convert to fraction form
    802,222.48/1,107,066.60 = 479,945.68/x
  3. Step 3: Cross multiply
    802,222.48x = 1,107,066.60 × 479,945.68
  4. Step 4: Simplify right side
    802,222.48x = 531,331,832,142.29
  5. Step 5: Solve for x
    x = 531,331,832,142.29/802,222.48
  6. Step 6: Final answer
    x = 662,324.79

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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.