Finding the Fourth Proportional to 636,547.70, 878,418.29 and 350,067.75
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Solution
The fourth proportional to 636,547.70, 878,418.29 and 350,067.75 is: 483,083.85
Step by Step Solution
- Step 1: Write the proportion equation
636,547.70 : 878,418.29 = 350,067.75 : x - Step 2: Convert to fraction form
636,547.70/878,418.29 = 350,067.75/x - Step 3: Cross multiply
636,547.70x = 878,418.29 × 350,067.75 - Step 4: Simplify right side
636,547.70x = 307,505,912,588.81 - Step 5: Solve for x
x = 307,505,912,588.81/636,547.70 - Step 6: Final answer
x = 483,083.85
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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.