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Finding the Fourth Proportional to 613,019.73, 845,514.81 and 422,094.63

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Solution

The fourth proportional to 613,019.73, 845,514.81 and 422,094.63 is: 582,179.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,019.73 : 845,514.81 = 422,094.63 : x
  2. Step 2: Convert to fraction form
    613,019.73/845,514.81 = 422,094.63/x
  3. Step 3: Cross multiply
    613,019.73x = 845,514.81 × 422,094.63
  4. Step 4: Simplify right side
    613,019.73x = 356,887,260,886.47
  5. Step 5: Solve for x
    x = 356,887,260,886.47/613,019.73
  6. Step 6: Final answer
    x = 582,179.08

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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.