Finding the Fourth Proportional to 889,571.48, 1,334,157.08 and 409,338.62
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Solution
The fourth proportional to 889,571.48, 1,334,157.08 and 409,338.62 is: 613,915.83
Step by Step Solution
- Step 1: Write the proportion equation
889,571.48 : 1,334,157.08 = 409,338.62 : x - Step 2: Convert to fraction form
889,571.48/1,334,157.08 = 409,338.62/x - Step 3: Cross multiply
889,571.48x = 1,334,157.08 × 409,338.62 - Step 4: Simplify right side
889,571.48x = 546,122,012,342.99 - Step 5: Solve for x
x = 546,122,012,342.99/889,571.48 - Step 6: Final answer
x = 613,915.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.