Home / 842,744.45-1,162,702.43-479,911.02

Finding the Fourth Proportional to 842,744.45, 1,162,702.43 and 479,911.02

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Solution

The fourth proportional to 842,744.45, 1,162,702.43 and 479,911.02 is: 662,114.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,744.45 : 1,162,702.43 = 479,911.02 : x
  2. Step 2: Convert to fraction form
    842,744.45/1,162,702.43 = 479,911.02/x
  3. Step 3: Cross multiply
    842,744.45x = 1,162,702.43 × 479,911.02
  4. Step 4: Simplify right side
    842,744.45x = 557,993,709,137.78
  5. Step 5: Solve for x
    x = 557,993,709,137.78/842,744.45
  6. Step 6: Final answer
    x = 662,114.97

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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.