Home / 838,735.61-1,258,068.27-270,104.12

Finding the Fourth Proportional to 838,735.61, 1,258,068.27 and 270,104.12

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Solution

The fourth proportional to 838,735.61, 1,258,068.27 and 270,104.12 is: 405,144.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,735.61 : 1,258,068.27 = 270,104.12 : x
  2. Step 2: Convert to fraction form
    838,735.61/1,258,068.27 = 270,104.12/x
  3. Step 3: Cross multiply
    838,735.61x = 1,258,068.27 × 270,104.12
  4. Step 4: Simplify right side
    838,735.61x = 339,809,425,187.23
  5. Step 5: Solve for x
    x = 339,809,425,187.23/838,735.61
  6. Step 6: Final answer
    x = 405,144.87

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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.