Home / 751,055.76-1,036,456.93-449,249.76

Finding the Fourth Proportional to 751,055.76, 1,036,456.93 and 449,249.76

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Solution

The fourth proportional to 751,055.76, 1,036,456.93 and 449,249.76 is: 619,964.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,055.76 : 1,036,456.93 = 449,249.76 : x
  2. Step 2: Convert to fraction form
    751,055.76/1,036,456.93 = 449,249.76/x
  3. Step 3: Cross multiply
    751,055.76x = 1,036,456.93 × 449,249.76
  4. Step 4: Simplify right side
    751,055.76x = 465,628,027,052.84
  5. Step 5: Solve for x
    x = 465,628,027,052.84/751,055.76
  6. Step 6: Final answer
    x = 619,964.66

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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.