Home / 498,919.80-751,748.79-412,118.04

Finding the Fourth Proportional to 498,919.80, 751,748.79 and 412,118.04

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Solution

The fourth proportional to 498,919.80, 751,748.79 and 412,118.04 is: 620,960.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,919.80 : 751,748.79 = 412,118.04 : x
  2. Step 2: Convert to fraction form
    498,919.80/751,748.79 = 412,118.04/x
  3. Step 3: Cross multiply
    498,919.80x = 751,748.79 × 412,118.04
  4. Step 4: Simplify right side
    498,919.80x = 309,809,237,907.17
  5. Step 5: Solve for x
    x = 309,809,237,907.17/498,919.80
  6. Step 6: Final answer
    x = 620,960.00

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.