Home / 454,429.40-627,038.82-263,405.48

Finding the Fourth Proportional to 454,429.40, 627,038.82 and 263,405.48

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Solution

The fourth proportional to 454,429.40, 627,038.82 and 263,405.48 is: 363,456.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,429.40 : 627,038.82 = 263,405.48 : x
  2. Step 2: Convert to fraction form
    454,429.40/627,038.82 = 263,405.48/x
  3. Step 3: Cross multiply
    454,429.40x = 627,038.82 × 263,405.48
  4. Step 4: Simplify right side
    454,429.40x = 165,165,461,360.73
  5. Step 5: Solve for x
    x = 165,165,461,360.73/454,429.40
  6. Step 6: Final answer
    x = 363,456.81

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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.