Home / 873,949.80-1,310,928.81-305,328.44

Finding the Fourth Proportional to 873,949.80, 1,310,928.81 and 305,328.44

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Solution

The fourth proportional to 873,949.80, 1,310,928.81 and 305,328.44 is: 457,994.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,949.80 : 1,310,928.81 = 305,328.44 : x
  2. Step 2: Convert to fraction form
    873,949.80/1,310,928.81 = 305,328.44/x
  3. Step 3: Cross multiply
    873,949.80x = 1,310,928.81 × 305,328.44
  4. Step 4: Simplify right side
    873,949.80x = 400,263,843,266.72
  5. Step 5: Solve for x
    x = 400,263,843,266.72/873,949.80
  6. Step 6: Final answer
    x = 457,994.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.