Home / 830,440.80-1,245,661.20-269,475.30

Finding the Fourth Proportional to 830,440.80, 1,245,661.20 and 269,475.30

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Solution

The fourth proportional to 830,440.80, 1,245,661.20 and 269,475.30 is: 404,212.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,440.80 : 1,245,661.20 = 269,475.30 : x
  2. Step 2: Convert to fraction form
    830,440.80/1,245,661.20 = 269,475.30/x
  3. Step 3: Cross multiply
    830,440.80x = 1,245,661.20 × 269,475.30
  4. Step 4: Simplify right side
    830,440.80x = 335,674,925,568.36
  5. Step 5: Solve for x
    x = 335,674,925,568.36/830,440.80
  6. Step 6: Final answer
    x = 404,212.95

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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.