Home / 767,764.44-1,059,511.94-423,621.78

Finding the Fourth Proportional to 767,764.44, 1,059,511.94 and 423,621.78

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Solution

The fourth proportional to 767,764.44, 1,059,511.94 and 423,621.78 is: 584,596.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,764.44 : 1,059,511.94 = 423,621.78 : x
  2. Step 2: Convert to fraction form
    767,764.44/1,059,511.94 = 423,621.78/x
  3. Step 3: Cross multiply
    767,764.44x = 1,059,511.94 × 423,621.78
  4. Step 4: Simplify right side
    767,764.44x = 448,832,333,954.05
  5. Step 5: Solve for x
    x = 448,832,333,954.05/767,764.44
  6. Step 6: Final answer
    x = 584,596.41

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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.