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Finding the Fourth Proportional to 614,908.12, 848,217.98 and 369,722.57

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Solution

The fourth proportional to 614,908.12, 848,217.98 and 369,722.57 is: 510,003.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,908.12 : 848,217.98 = 369,722.57 : x
  2. Step 2: Convert to fraction form
    614,908.12/848,217.98 = 369,722.57/x
  3. Step 3: Cross multiply
    614,908.12x = 848,217.98 × 369,722.57
  4. Step 4: Simplify right side
    614,908.12x = 313,605,331,610.33
  5. Step 5: Solve for x
    x = 313,605,331,610.33/614,908.12
  6. Step 6: Final answer
    x = 510,003.56

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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.