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Finding the Fourth Proportional to 503,920.09, 695,410.69 and 274,476.67

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Solution

The fourth proportional to 503,920.09, 695,410.69 and 274,476.67 is: 378,778.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,920.09 : 695,410.69 = 274,476.67 : x
  2. Step 2: Convert to fraction form
    503,920.09/695,410.69 = 274,476.67/x
  3. Step 3: Cross multiply
    503,920.09x = 695,410.69 × 274,476.67
  4. Step 4: Simplify right side
    503,920.09x = 190,874,008,735.08
  5. Step 5: Solve for x
    x = 190,874,008,735.08/503,920.09
  6. Step 6: Final answer
    x = 378,778.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.