Finding the Fourth Proportional to 748,185.50, 1,032,495.99 and 408,654.56
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Solution
The fourth proportional to 748,185.50, 1,032,495.99 and 408,654.56 is: 563,943.29
Step by Step Solution
- Step 1: Write the proportion equation
748,185.50 : 1,032,495.99 = 408,654.56 : x - Step 2: Convert to fraction form
748,185.50/1,032,495.99 = 408,654.56/x - Step 3: Cross multiply
748,185.50x = 1,032,495.99 × 408,654.56 - Step 4: Simplify right side
748,185.50x = 421,934,194,495.21 - Step 5: Solve for x
x = 421,934,194,495.21/748,185.50 - Step 6: Final answer
x = 563,943.29
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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.