Home / 674,378.80-1,010,910.80-269,450.32

Finding the Fourth Proportional to 674,378.80, 1,010,910.80 and 269,450.32

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Solution

The fourth proportional to 674,378.80, 1,010,910.80 and 269,450.32 is: 403,912.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,378.80 : 1,010,910.80 = 269,450.32 : x
  2. Step 2: Convert to fraction form
    674,378.80/1,010,910.80 = 269,450.32/x
  3. Step 3: Cross multiply
    674,378.80x = 1,010,910.80 × 269,450.32
  4. Step 4: Simplify right side
    674,378.80x = 272,390,238,551.46
  5. Step 5: Solve for x
    x = 272,390,238,551.46/674,378.80
  6. Step 6: Final answer
    x = 403,912.81

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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.