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Finding the Fourth Proportional to 613,492.64, 845,895.44 and 419,993.44

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Solution

The fourth proportional to 613,492.64, 845,895.44 and 419,993.44 is: 579,095.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,492.64 : 845,895.44 = 419,993.44 : x
  2. Step 2: Convert to fraction form
    613,492.64/845,895.44 = 419,993.44/x
  3. Step 3: Cross multiply
    613,492.64x = 845,895.44 × 419,993.44
  4. Step 4: Simplify right side
    613,492.64x = 355,270,535,725.91
  5. Step 5: Solve for x
    x = 355,270,535,725.91/613,492.64
  6. Step 6: Final answer
    x = 579,095.03

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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.