Home / 838,736.05-1,258,068.93-270,104.56

Finding the Fourth Proportional to 838,736.05, 1,258,068.93 and 270,104.56

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Solution

The fourth proportional to 838,736.05, 1,258,068.93 and 270,104.56 is: 405,145.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,736.05 : 1,258,068.93 = 270,104.56 : x
  2. Step 2: Convert to fraction form
    838,736.05/1,258,068.93 = 270,104.56/x
  3. Step 3: Cross multiply
    838,736.05x = 1,258,068.93 × 270,104.56
  4. Step 4: Simplify right side
    838,736.05x = 339,810,150,291.63
  5. Step 5: Solve for x
    x = 339,810,150,291.63/838,736.05
  6. Step 6: Final answer
    x = 405,145.52

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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.