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Finding the Fourth Proportional to 614,932.36, 848,607.94 and 342,993.25

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Solution

The fourth proportional to 614,932.36, 848,607.94 and 342,993.25 is: 473,331.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,932.36 : 848,607.94 = 342,993.25 : x
  2. Step 2: Convert to fraction form
    614,932.36/848,607.94 = 342,993.25/x
  3. Step 3: Cross multiply
    614,932.36x = 848,607.94 × 342,993.25
  4. Step 4: Simplify right side
    614,932.36x = 291,066,796,805.91
  5. Step 5: Solve for x
    x = 291,066,796,805.91/614,932.36
  6. Step 6: Final answer
    x = 473,331.41

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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.