Home / 734,758.90-1,102,150.04-279,357.08

Finding the Fourth Proportional to 734,758.90, 1,102,150.04 and 279,357.08

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Solution

The fourth proportional to 734,758.90, 1,102,150.04 and 279,357.08 is: 419,040.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,758.90 : 1,102,150.04 = 279,357.08 : x
  2. Step 2: Convert to fraction form
    734,758.90/1,102,150.04 = 279,357.08/x
  3. Step 3: Cross multiply
    734,758.90x = 1,102,150.04 × 279,357.08
  4. Step 4: Simplify right side
    734,758.90x = 307,893,414,121.81
  5. Step 5: Solve for x
    x = 307,893,414,121.81/734,758.90
  6. Step 6: Final answer
    x = 419,040.06

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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.