Home / 778,600.52-1,074,469.56-456,246.44

Finding the Fourth Proportional to 778,600.52, 1,074,469.56 and 456,246.44

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Solution

The fourth proportional to 778,600.52, 1,074,469.56 and 456,246.44 is: 629,620.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,600.52 : 1,074,469.56 = 456,246.44 : x
  2. Step 2: Convert to fraction form
    778,600.52/1,074,469.56 = 456,246.44/x
  3. Step 3: Cross multiply
    778,600.52x = 1,074,469.56 × 456,246.44
  4. Step 4: Simplify right side
    778,600.52x = 490,222,911,638.37
  5. Step 5: Solve for x
    x = 490,222,911,638.37/778,600.52
  6. Step 6: Final answer
    x = 629,620.58

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1.5x scale

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.