Home / 879,679.44-1,319,519.16-505,463.76

Finding the Fourth Proportional to 879,679.44, 1,319,519.16 and 505,463.76

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Solution

The fourth proportional to 879,679.44, 1,319,519.16 and 505,463.76 is: 758,195.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,679.44 : 1,319,519.16 = 505,463.76 : x
  2. Step 2: Convert to fraction form
    879,679.44/1,319,519.16 = 505,463.76/x
  3. Step 3: Cross multiply
    879,679.44x = 1,319,519.16 × 505,463.76
  4. Step 4: Simplify right side
    879,679.44x = 666,969,116,005.64
  5. Step 5: Solve for x
    x = 666,969,116,005.64/879,679.44
  6. Step 6: Final answer
    x = 758,195.64

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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.