Home / 489,815.40-675,884.01-271,994.46

Finding the Fourth Proportional to 489,815.40, 675,884.01 and 271,994.46

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Solution

The fourth proportional to 489,815.40, 675,884.01 and 271,994.46 is: 375,318.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,815.40 : 675,884.01 = 271,994.46 : x
  2. Step 2: Convert to fraction form
    489,815.40/675,884.01 = 271,994.46/x
  3. Step 3: Cross multiply
    489,815.40x = 675,884.01 × 271,994.46
  4. Step 4: Simplify right side
    489,815.40x = 183,836,706,322.59
  5. Step 5: Solve for x
    x = 183,836,706,322.59/489,815.40
  6. Step 6: Final answer
    x = 375,318.35

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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.