Finding the Fourth Proportional to 448,548.40, 617,737.08 and 438,750.64
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Solution
The fourth proportional to 448,548.40, 617,737.08 and 438,750.64 is: 604,243.69
Step by Step Solution
- Step 1: Write the proportion equation
448,548.40 : 617,737.08 = 438,750.64 : x - Step 2: Convert to fraction form
448,548.40/617,737.08 = 438,750.64/x - Step 3: Cross multiply
448,548.40x = 617,737.08 × 438,750.64 - Step 4: Simplify right side
448,548.40x = 271,032,539,201.73 - Step 5: Solve for x
x = 271,032,539,201.73/448,548.40 - Step 6: Final answer
x = 604,243.69
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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.