Home / 879,674.44-1,319,511.66-505,458.76

Finding the Fourth Proportional to 879,674.44, 1,319,511.66 and 505,458.76

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Solution

The fourth proportional to 879,674.44, 1,319,511.66 and 505,458.76 is: 758,188.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,674.44 : 1,319,511.66 = 505,458.76 : x
  2. Step 2: Convert to fraction form
    879,674.44/1,319,511.66 = 505,458.76/x
  3. Step 3: Cross multiply
    879,674.44x = 1,319,511.66 × 505,458.76
  4. Step 4: Simplify right side
    879,674.44x = 666,958,727,469.14
  5. Step 5: Solve for x
    x = 666,958,727,469.14/879,674.44
  6. Step 6: Final answer
    x = 758,188.14

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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.