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Finding the Fourth Proportional to 895.60, 1,236.36 and 600.76

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Solution

The fourth proportional to 895.60, 1,236.36 and 600.76 is: 829.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.60 : 1,236.36 = 600.76 : x
  2. Step 2: Convert to fraction form
    895.60/1,236.36 = 600.76/x
  3. Step 3: Cross multiply
    895.60x = 1,236.36 × 600.76
  4. Step 4: Simplify right side
    895.60x = 742,755.63
  5. Step 5: Solve for x
    x = 742,755.63/895.60
  6. Step 6: Final answer
    x = 829.34

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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.