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Finding the Fourth Proportional to 882.76, 1,321.62 and 593.68

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Solution

The fourth proportional to 882.76, 1,321.62 and 593.68 is: 888.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.76 : 1,321.62 = 593.68 : x
  2. Step 2: Convert to fraction form
    882.76/1,321.62 = 593.68/x
  3. Step 3: Cross multiply
    882.76x = 1,321.62 × 593.68
  4. Step 4: Simplify right side
    882.76x = 784,619.36
  5. Step 5: Solve for x
    x = 784,619.36/882.76
  6. Step 6: Final answer
    x = 888.83

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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.