Finding the Fourth Proportional to 748,283.63, 1,032,654.08 and 408,773.75
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Solution
The fourth proportional to 748,283.63, 1,032,654.08 and 408,773.75 is: 564,120.16
Step by Step Solution
- Step 1: Write the proportion equation
748,283.63 : 1,032,654.08 = 408,773.75 : x - Step 2: Convert to fraction form
748,283.63/1,032,654.08 = 408,773.75/x - Step 3: Cross multiply
748,283.63x = 1,032,654.08 × 408,773.75 - Step 4: Simplify right side
748,283.63x = 422,121,876,593.06 - Step 5: Solve for x
x = 422,121,876,593.06/748,283.63 - Step 6: Final answer
x = 564,120.16
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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.