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Finding the Fourth Proportional to 613,493.64, 845,896.82 and 419,994.44

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Solution

The fourth proportional to 613,493.64, 845,896.82 and 419,994.44 is: 579,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,493.64 : 845,896.82 = 419,994.44 : x
  2. Step 2: Convert to fraction form
    613,493.64/845,896.82 = 419,994.44/x
  3. Step 3: Cross multiply
    613,493.64x = 845,896.82 × 419,994.44
  4. Step 4: Simplify right side
    613,493.64x = 355,271,961,213.68
  5. Step 5: Solve for x
    x = 355,271,961,213.68/613,493.64
  6. Step 6: Final answer
    x = 579,096.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.