Home / 876,330.70-1,314,902.92-336,407.33

Finding the Fourth Proportional to 876,330.70, 1,314,902.92 and 336,407.33

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Solution

The fourth proportional to 876,330.70, 1,314,902.92 and 336,407.33 is: 504,767.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,330.70 : 1,314,902.92 = 336,407.33 : x
  2. Step 2: Convert to fraction form
    876,330.70/1,314,902.92 = 336,407.33/x
  3. Step 3: Cross multiply
    876,330.70x = 1,314,902.92 × 336,407.33
  4. Step 4: Simplify right side
    876,330.70x = 442,342,976,207.08
  5. Step 5: Solve for x
    x = 442,342,976,207.08/876,330.70
  6. Step 6: Final answer
    x = 504,767.18

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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.