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Finding the Fourth Proportional to 618,117.92, 852,945.36 and 349,845.92

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Solution

The fourth proportional to 618,117.92, 852,945.36 and 349,845.92 is: 482,754.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,117.92 : 852,945.36 = 349,845.92 : x
  2. Step 2: Convert to fraction form
    618,117.92/852,945.36 = 349,845.92/x
  3. Step 3: Cross multiply
    618,117.92x = 852,945.36 × 349,845.92
  4. Step 4: Simplify right side
    618,117.92x = 298,399,454,178.93
  5. Step 5: Solve for x
    x = 298,399,454,178.93/618,117.92
  6. Step 6: Final answer
    x = 482,754.90

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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.