Home / 867,447.26-1,301,615.70-418,550.96

Finding the Fourth Proportional to 867,447.26, 1,301,615.70 and 418,550.96

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Solution

The fourth proportional to 867,447.26, 1,301,615.70 and 418,550.96 is: 628,041.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,447.26 : 1,301,615.70 = 418,550.96 : x
  2. Step 2: Convert to fraction form
    867,447.26/1,301,615.70 = 418,550.96/x
  3. Step 3: Cross multiply
    867,447.26x = 1,301,615.70 × 418,550.96
  4. Step 4: Simplify right side
    867,447.26x = 544,792,500,786.07
  5. Step 5: Solve for x
    x = 544,792,500,786.07/867,447.26
  6. Step 6: Final answer
    x = 628,041.06

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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.