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Finding the Fourth Proportional to 701,017.09, 967,404.06 and 378,727.07

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Solution

The fourth proportional to 701,017.09, 967,404.06 and 378,727.07 is: 522,643.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,017.09 : 967,404.06 = 378,727.07 : x
  2. Step 2: Convert to fraction form
    701,017.09/967,404.06 = 378,727.07/x
  3. Step 3: Cross multiply
    701,017.09x = 967,404.06 × 378,727.07
  4. Step 4: Simplify right side
    701,017.09x = 366,382,100,312.88
  5. Step 5: Solve for x
    x = 366,382,100,312.88/701,017.09
  6. Step 6: Final answer
    x = 522,643.61

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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.