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Finding the Fourth Proportional to 1,774.76, 2,662.34 and 604.89

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Solution

The fourth proportional to 1,774.76, 2,662.34 and 604.89 is: 907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.76 : 2,662.34 = 604.89 : x
  2. Step 2: Convert to fraction form
    1,774.76/2,662.34 = 604.89/x
  3. Step 3: Cross multiply
    1,774.76x = 2,662.34 × 604.89
  4. Step 4: Simplify right side
    1,774.76x = 1,610,422.84
  5. Step 5: Solve for x
    x = 1,610,422.84/1,774.76
  6. Step 6: Final answer
    x = 907.40

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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.