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Finding the Fourth Proportional to 714.53, 986.04 and 504.48

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Solution

The fourth proportional to 714.53, 986.04 and 504.48 is: 696.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    714.53 : 986.04 = 504.48 : x
  2. Step 2: Convert to fraction form
    714.53/986.04 = 504.48/x
  3. Step 3: Cross multiply
    714.53x = 986.04 × 504.48
  4. Step 4: Simplify right side
    714.53x = 497,437.46
  5. Step 5: Solve for x
    x = 497,437.46/714.53
  6. Step 6: Final answer
    x = 696.17

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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.