Finding the Fourth Proportional to 636,274.34, 878,006.36 and 374,588.09
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Solution
The fourth proportional to 636,274.34, 878,006.36 and 374,588.09 is: 516,900.82
Step by Step Solution
- Step 1: Write the proportion equation
636,274.34 : 878,006.36 = 374,588.09 : x - Step 2: Convert to fraction form
636,274.34/878,006.36 = 374,588.09/x - Step 3: Cross multiply
636,274.34x = 878,006.36 × 374,588.09 - Step 4: Simplify right side
636,274.34x = 328,890,728,531.74 - Step 5: Solve for x
x = 328,890,728,531.74/636,274.34 - Step 6: Final answer
x = 516,900.82
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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.