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Finding the Fourth Proportional to 882.99, 1,326.38 and 653.36

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Solution

The fourth proportional to 882.99, 1,326.38 and 653.36 is: 981.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.99 : 1,326.38 = 653.36 : x
  2. Step 2: Convert to fraction form
    882.99/1,326.38 = 653.36/x
  3. Step 3: Cross multiply
    882.99x = 1,326.38 × 653.36
  4. Step 4: Simplify right side
    882.99x = 866,600.32
  5. Step 5: Solve for x
    x = 866,600.32/882.99
  6. Step 6: Final answer
    x = 981.44

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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.