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Finding the Fourth Proportional to 492,219.10, 679,276.47 and 277,347.34

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Solution

The fourth proportional to 492,219.10, 679,276.47 and 277,347.34 is: 382,747.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,219.10 : 679,276.47 = 277,347.34 : x
  2. Step 2: Convert to fraction form
    492,219.10/679,276.47 = 277,347.34/x
  3. Step 3: Cross multiply
    492,219.10x = 679,276.47 × 277,347.34
  4. Step 4: Simplify right side
    492,219.10x = 188,395,522,079.09
  5. Step 5: Solve for x
    x = 188,395,522,079.09/492,219.10
  6. Step 6: Final answer
    x = 382,747.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.