Home / 902,379.32-1,353,519.16-303,278.61

Finding the Fourth Proportional to 902,379.32, 1,353,519.16 and 303,278.61

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Solution

The fourth proportional to 902,379.32, 1,353,519.16 and 303,278.61 is: 454,901.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,379.32 : 1,353,519.16 = 303,278.61 : x
  2. Step 2: Convert to fraction form
    902,379.32/1,353,519.16 = 303,278.61/x
  3. Step 3: Cross multiply
    902,379.32x = 1,353,519.16 × 303,278.61
  4. Step 4: Simplify right side
    902,379.32x = 410,493,415,476.61
  5. Step 5: Solve for x
    x = 410,493,415,476.61/902,379.32
  6. Step 6: Final answer
    x = 454,901.18

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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.