Finding the Fourth Proportional to 636,478.97, 878,347.19 and 350,001
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Solution
The fourth proportional to 636,478.97, 878,347.19 and 350,001 is: 483,004.80
Step by Step Solution
- Step 1: Write the proportion equation
636,478.97 : 878,347.19 = 350,001 : x - Step 2: Convert to fraction form
636,478.97/878,347.19 = 350,001/x - Step 3: Cross multiply
636,478.97x = 878,347.19 × 350,001 - Step 4: Simplify right side
636,478.97x = 307,422,395,722.19 - Step 5: Solve for x
x = 307,422,395,722.19/636,478.97 - Step 6: Final answer
x = 483,004.80
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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.