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Finding the Fourth Proportional to 673.26, 927.09 and 624.26

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Solution

The fourth proportional to 673.26, 927.09 and 624.26 is: 859.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    673.26 : 927.09 = 624.26 : x
  2. Step 2: Convert to fraction form
    673.26/927.09 = 624.26/x
  3. Step 3: Cross multiply
    673.26x = 927.09 × 624.26
  4. Step 4: Simplify right side
    673.26x = 578,740.57
  5. Step 5: Solve for x
    x = 578,740.57/673.26
  6. Step 6: Final answer
    x = 859.61

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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.