Home / 1,003,912.45-1,505,302.76-329,812.76

Finding the Fourth Proportional to 1,003,912.45, 1,505,302.76 and 329,812.76

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Solution

The fourth proportional to 1,003,912.45, 1,505,302.76 and 329,812.76 is: 494,533.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,912.45 : 1,505,302.76 = 329,812.76 : x
  2. Step 2: Convert to fraction form
    1,003,912.45/1,505,302.76 = 329,812.76/x
  3. Step 3: Cross multiply
    1,003,912.45x = 1,505,302.76 × 329,812.76
  4. Step 4: Simplify right side
    1,003,912.45x = 496,468,062,499.01
  5. Step 5: Solve for x
    x = 496,468,062,499.01/1,003,912.45
  6. Step 6: Final answer
    x = 494,533.23

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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.