Finding the Fourth Proportional to 636,335.09, 878,119.99 and 349,852.97
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Solution
The fourth proportional to 636,335.09, 878,119.99 and 349,852.97 is: 482,784.77
Step by Step Solution
- Step 1: Write the proportion equation
636,335.09 : 878,119.99 = 349,852.97 : x - Step 2: Convert to fraction form
636,335.09/878,119.99 = 349,852.97/x - Step 3: Cross multiply
636,335.09x = 878,119.99 × 349,852.97 - Step 4: Simplify right side
636,335.09x = 307,212,887,838.54 - Step 5: Solve for x
x = 307,212,887,838.54/636,335.09 - Step 6: Final answer
x = 482,784.77
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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.