Home / 790,198.98-1,090,474.55-427,622.79

Finding the Fourth Proportional to 790,198.98, 1,090,474.55 and 427,622.79

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Solution

The fourth proportional to 790,198.98, 1,090,474.55 and 427,622.79 is: 590,119.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,198.98 : 1,090,474.55 = 427,622.79 : x
  2. Step 2: Convert to fraction form
    790,198.98/1,090,474.55 = 427,622.79/x
  3. Step 3: Cross multiply
    790,198.98x = 1,090,474.55 × 427,622.79
  4. Step 4: Simplify right side
    790,198.98x = 466,311,767,356.88
  5. Step 5: Solve for x
    x = 466,311,767,356.88/790,198.98
  6. Step 6: Final answer
    x = 590,119.42

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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.