Home / 1,003,818.42-1,505,408.31-329,743.32

Finding the Fourth Proportional to 1,003,818.42, 1,505,408.31 and 329,743.32

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Solution

The fourth proportional to 1,003,818.42, 1,505,408.31 and 329,743.32 is: 494,510.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,818.42 : 1,505,408.31 = 329,743.32 : x
  2. Step 2: Convert to fraction form
    1,003,818.42/1,505,408.31 = 329,743.32/x
  3. Step 3: Cross multiply
    1,003,818.42x = 1,505,408.31 × 329,743.32
  4. Step 4: Simplify right side
    1,003,818.42x = 496,398,334,094.99
  5. Step 5: Solve for x
    x = 496,398,334,094.99/1,003,818.42
  6. Step 6: Final answer
    x = 494,510.09

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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.