Home / 751,291.92-1,036,780.86-407,137.44

Finding the Fourth Proportional to 751,291.92, 1,036,780.86 and 407,137.44

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Solution

The fourth proportional to 751,291.92, 1,036,780.86 and 407,137.44 is: 561,848.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,291.92 : 1,036,780.86 = 407,137.44 : x
  2. Step 2: Convert to fraction form
    751,291.92/1,036,780.86 = 407,137.44/x
  3. Step 3: Cross multiply
    751,291.92x = 1,036,780.86 × 407,137.44
  4. Step 4: Simplify right side
    751,291.92x = 422,112,305,181.40
  5. Step 5: Solve for x
    x = 422,112,305,181.40/751,291.92
  6. Step 6: Final answer
    x = 561,848.59

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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.