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Finding the Fourth Proportional to 830.73, 1,245.51 and 596.61

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Solution

The fourth proportional to 830.73, 1,245.51 and 596.61 is: 894.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    830.73 : 1,245.51 = 596.61 : x
  2. Step 2: Convert to fraction form
    830.73/1,245.51 = 596.61/x
  3. Step 3: Cross multiply
    830.73x = 1,245.51 × 596.61
  4. Step 4: Simplify right side
    830.73x = 743,074.51
  5. Step 5: Solve for x
    x = 743,074.51/830.73
  6. Step 6: Final answer
    x = 894.49

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.