Home / 838,736.30-1,258,069.30-270,104.81

Finding the Fourth Proportional to 838,736.30, 1,258,069.30 and 270,104.81

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Solution

The fourth proportional to 838,736.30, 1,258,069.30 and 270,104.81 is: 405,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,736.30 : 1,258,069.30 = 270,104.81 : x
  2. Step 2: Convert to fraction form
    838,736.30/1,258,069.30 = 270,104.81/x
  3. Step 3: Cross multiply
    838,736.30x = 1,258,069.30 × 270,104.81
  4. Step 4: Simplify right side
    838,736.30x = 339,810,569,243.33
  5. Step 5: Solve for x
    x = 339,810,569,243.33/838,736.30
  6. Step 6: Final answer
    x = 405,145.90

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1.5x scale

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.