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Finding the Fourth Proportional to 722.76, 995.82 and 604.32

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Solution

The fourth proportional to 722.76, 995.82 and 604.32 is: 832.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    722.76 : 995.82 = 604.32 : x
  2. Step 2: Convert to fraction form
    722.76/995.82 = 604.32/x
  3. Step 3: Cross multiply
    722.76x = 995.82 × 604.32
  4. Step 4: Simplify right side
    722.76x = 601,793.94
  5. Step 5: Solve for x
    x = 601,793.94/722.76
  6. Step 6: Final answer
    x = 832.63

Related Problems

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Half scale
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Double scale
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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.