Home / 511,619.43-767,961.41-376,835.68

Finding the Fourth Proportional to 511,619.43, 767,961.41 and 376,835.68

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Solution

The fourth proportional to 511,619.43, 767,961.41 and 376,835.68 is: 565,645.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,619.43 : 767,961.41 = 376,835.68 : x
  2. Step 2: Convert to fraction form
    511,619.43/767,961.41 = 376,835.68/x
  3. Step 3: Cross multiply
    511,619.43x = 767,961.41 × 376,835.68
  4. Step 4: Simplify right side
    511,619.43x = 289,395,254,427.12
  5. Step 5: Solve for x
    x = 289,395,254,427.12/511,619.43
  6. Step 6: Final answer
    x = 565,645.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.