Finding the Fourth Proportional to 992,644.79, 1,369,971.42 and 584,725.55
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Solution
The fourth proportional to 992,644.79, 1,369,971.42 and 584,725.55 is: 806,992.89
Step by Step Solution
- Step 1: Write the proportion equation
992,644.79 : 1,369,971.42 = 584,725.55 : x - Step 2: Convert to fraction form
992,644.79/1,369,971.42 = 584,725.55/x - Step 3: Cross multiply
992,644.79x = 1,369,971.42 × 584,725.55 - Step 4: Simplify right side
992,644.79x = 801,057,292,043.78 - Step 5: Solve for x
x = 801,057,292,043.78/992,644.79 - Step 6: Final answer
x = 806,992.89
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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.