Home / 751,331.70-1,036,835.44-407,177.48

Finding the Fourth Proportional to 751,331.70, 1,036,835.44 and 407,177.48

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Solution

The fourth proportional to 751,331.70, 1,036,835.44 and 407,177.48 is: 561,903.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,331.70 : 1,036,835.44 = 407,177.48 : x
  2. Step 2: Convert to fraction form
    751,331.70/1,036,835.44 = 407,177.48/x
  3. Step 3: Cross multiply
    751,331.70x = 1,036,835.44 × 407,177.48
  4. Step 4: Simplify right side
    751,331.70x = 422,176,043,208.04
  5. Step 5: Solve for x
    x = 422,176,043,208.04/751,331.70
  6. Step 6: Final answer
    x = 561,903.67

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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.