Home / 808,786.50-1,116,125.37-451,090.50

Finding the Fourth Proportional to 808,786.50, 1,116,125.37 and 451,090.50

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Solution

The fourth proportional to 808,786.50, 1,116,125.37 and 451,090.50 is: 622,504.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,786.50 : 1,116,125.37 = 451,090.50 : x
  2. Step 2: Convert to fraction form
    808,786.50/1,116,125.37 = 451,090.50/x
  3. Step 3: Cross multiply
    808,786.50x = 1,116,125.37 × 451,090.50
  4. Step 4: Simplify right side
    808,786.50x = 503,473,551,215.99
  5. Step 5: Solve for x
    x = 503,473,551,215.99/808,786.50
  6. Step 6: Final answer
    x = 622,504.89

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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.