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Finding the Fourth Proportional to 706.94, 975.48 and 444.78

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Solution

The fourth proportional to 706.94, 975.48 and 444.78 is: 613.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    706.94 : 975.48 = 444.78 : x
  2. Step 2: Convert to fraction form
    706.94/975.48 = 444.78/x
  3. Step 3: Cross multiply
    706.94x = 975.48 × 444.78
  4. Step 4: Simplify right side
    706.94x = 433,873.99
  5. Step 5: Solve for x
    x = 433,873.99/706.94
  6. Step 6: Final answer
    x = 613.74

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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.