Home / 870,131.37-1,305,232.44-414,488.37

Finding the Fourth Proportional to 870,131.37, 1,305,232.44 and 414,488.37

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Solution

The fourth proportional to 870,131.37, 1,305,232.44 and 414,488.37 is: 621,749.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,131.37 : 1,305,232.44 = 414,488.37 : x
  2. Step 2: Convert to fraction form
    870,131.37/1,305,232.44 = 414,488.37/x
  3. Step 3: Cross multiply
    870,131.37x = 1,305,232.44 × 414,488.37
  4. Step 4: Simplify right side
    870,131.37x = 541,003,666,526.72
  5. Step 5: Solve for x
    x = 541,003,666,526.72/870,131.37
  6. Step 6: Final answer
    x = 621,749.41

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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.