Finding the Fourth Proportional to 668,735.62, 922,855.21 and 382,261.96
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Solution
The fourth proportional to 668,735.62, 922,855.21 and 382,261.96 is: 527,521.53
Step by Step Solution
- Step 1: Write the proportion equation
668,735.62 : 922,855.21 = 382,261.96 : x - Step 2: Convert to fraction form
668,735.62/922,855.21 = 382,261.96/x - Step 3: Cross multiply
668,735.62x = 922,855.21 × 382,261.96 - Step 4: Simplify right side
668,735.62x = 352,772,436,756.54 - Step 5: Solve for x
x = 352,772,436,756.54/668,735.62 - Step 6: Final answer
x = 527,521.53
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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.