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Finding the Fourth Proportional to 614,796.12, 848,416.94 and 342,864.27

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Solution

The fourth proportional to 614,796.12, 848,416.94 and 342,864.27 is: 473,151.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,796.12 : 848,416.94 = 342,864.27 : x
  2. Step 2: Convert to fraction form
    614,796.12/848,416.94 = 342,864.27/x
  3. Step 3: Cross multiply
    614,796.12x = 848,416.94 × 342,864.27
  4. Step 4: Simplify right side
    614,796.12x = 290,891,848,832.33
  5. Step 5: Solve for x
    x = 290,891,848,832.33/614,796.12
  6. Step 6: Final answer
    x = 473,151.74

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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.