Home / 899,121.33-1,348,733.97-338,160.69

Finding the Fourth Proportional to 899,121.33, 1,348,733.97 and 338,160.69

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Solution

The fourth proportional to 899,121.33, 1,348,733.97 and 338,160.69 is: 507,260.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,121.33 : 1,348,733.97 = 338,160.69 : x
  2. Step 2: Convert to fraction form
    899,121.33/1,348,733.97 = 338,160.69/x
  3. Step 3: Cross multiply
    899,121.33x = 1,348,733.97 × 338,160.69
  4. Step 4: Simplify right side
    899,121.33x = 456,088,809,921.64
  5. Step 5: Solve for x
    x = 456,088,809,921.64/899,121.33
  6. Step 6: Final answer
    x = 507,260.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.