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Finding the Fourth Proportional to 1,364.99, 2,047.54 and 440.56

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Solution

The fourth proportional to 1,364.99, 2,047.54 and 440.56 is: 660.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364.99 : 2,047.54 = 440.56 : x
  2. Step 2: Convert to fraction form
    1,364.99/2,047.54 = 440.56/x
  3. Step 3: Cross multiply
    1,364.99x = 2,047.54 × 440.56
  4. Step 4: Simplify right side
    1,364.99x = 902,068.24
  5. Step 5: Solve for x
    x = 902,068.24/1,364.99
  6. Step 6: Final answer
    x = 660.86

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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.