Home / 751,305.70-1,036,799.89-407,151.15

Finding the Fourth Proportional to 751,305.70, 1,036,799.89 and 407,151.15

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Solution

The fourth proportional to 751,305.70, 1,036,799.89 and 407,151.15 is: 561,867.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,305.70 : 1,036,799.89 = 407,151.15 : x
  2. Step 2: Convert to fraction form
    751,305.70/1,036,799.89 = 407,151.15/x
  3. Step 3: Cross multiply
    751,305.70x = 1,036,799.89 × 407,151.15
  4. Step 4: Simplify right side
    751,305.70x = 422,134,267,533.37
  5. Step 5: Solve for x
    x = 422,134,267,533.37/751,305.70
  6. Step 6: Final answer
    x = 561,867.52

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Double scale
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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.