Finding the Fourth Proportional to 680,252.22, 938,756.70 and 374,363.82
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Solution
The fourth proportional to 680,252.22, 938,756.70 and 374,363.82 is: 516,626.82
Step by Step Solution
- Step 1: Write the proportion equation
680,252.22 : 938,756.70 = 374,363.82 : x - Step 2: Convert to fraction form
680,252.22/938,756.70 = 374,363.82/x - Step 3: Cross multiply
680,252.22x = 938,756.70 × 374,363.82 - Step 4: Simplify right side
680,252.22x = 351,436,544,262.59 - Step 5: Solve for x
x = 351,436,544,262.59/680,252.22 - Step 6: Final answer
x = 516,626.82
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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.