Finding the Fourth Proportional to 562,388.62, 775,805.70 and 381,038.53
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Solution
The fourth proportional to 562,388.62, 775,805.70 and 381,038.53 is: 525,636.28
Step by Step Solution
- Step 1: Write the proportion equation
562,388.62 : 775,805.70 = 381,038.53 : x - Step 2: Convert to fraction form
562,388.62/775,805.70 = 381,038.53/x - Step 3: Cross multiply
562,388.62x = 775,805.70 × 381,038.53 - Step 4: Simplify right side
562,388.62x = 295,611,863,493.62 - Step 5: Solve for x
x = 295,611,863,493.62/562,388.62 - Step 6: Final answer
x = 525,636.28
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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.