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Finding the Fourth Proportional to 662,738.26, 914,604.69 and 376,285

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Solution

The fourth proportional to 662,738.26, 914,604.69 and 376,285 is: 519,288.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,738.26 : 914,604.69 = 376,285 : x
  2. Step 2: Convert to fraction form
    662,738.26/914,604.69 = 376,285/x
  3. Step 3: Cross multiply
    662,738.26x = 914,604.69 × 376,285
  4. Step 4: Simplify right side
    662,738.26x = 344,152,025,776.65
  5. Step 5: Solve for x
    x = 344,152,025,776.65/662,738.26
  6. Step 6: Final answer
    x = 519,288.00

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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.