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Finding the Fourth Proportional to 504.60, 708.60 and 504.60

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Solution

The fourth proportional to 504.60, 708.60 and 504.60 is: 708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.60 : 708.60 = 504.60 : x
  2. Step 2: Convert to fraction form
    504.60/708.60 = 504.60/x
  3. Step 3: Cross multiply
    504.60x = 708.60 × 504.60
  4. Step 4: Simplify right side
    504.60x = 357,559.56
  5. Step 5: Solve for x
    x = 357,559.56/504.60
  6. Step 6: Final answer
    x = 708.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.