Home / 842,744.69-1,162,702.78-479,911.27

Finding the Fourth Proportional to 842,744.69, 1,162,702.78 and 479,911.27

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Solution

The fourth proportional to 842,744.69, 1,162,702.78 and 479,911.27 is: 662,115.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,744.69 : 1,162,702.78 = 479,911.27 : x
  2. Step 2: Convert to fraction form
    842,744.69/1,162,702.78 = 479,911.27/x
  3. Step 3: Cross multiply
    842,744.69x = 1,162,702.78 × 479,911.27
  4. Step 4: Simplify right side
    842,744.69x = 557,994,163,675.80
  5. Step 5: Solve for x
    x = 557,994,163,675.80/842,744.69
  6. Step 6: Final answer
    x = 662,115.31

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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.