Home / 454,945.76-627,622.16-263,848.48

Finding the Fourth Proportional to 454,945.76, 627,622.16 and 263,848.48

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Solution

The fourth proportional to 454,945.76, 627,622.16 and 263,848.48 is: 363,993.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,945.76 : 627,622.16 = 263,848.48 : x
  2. Step 2: Convert to fraction form
    454,945.76/627,622.16 = 263,848.48/x
  3. Step 3: Cross multiply
    454,945.76x = 627,622.16 × 263,848.48
  4. Step 4: Simplify right side
    454,945.76x = 165,597,152,930.32
  5. Step 5: Solve for x
    x = 165,597,152,930.32/454,945.76
  6. Step 6: Final answer
    x = 363,993.18

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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.