Finding the Fourth Proportional to 626,822.67, 865,091.79 and 368,687.31
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Solution
The fourth proportional to 626,822.67, 865,091.79 and 368,687.31 is: 508,833.49
Step by Step Solution
- Step 1: Write the proportion equation
626,822.67 : 865,091.79 = 368,687.31 : x - Step 2: Convert to fraction form
626,822.67/865,091.79 = 368,687.31/x - Step 3: Cross multiply
626,822.67x = 865,091.79 × 368,687.31 - Step 4: Simplify right side
626,822.67x = 318,948,364,958.19 - Step 5: Solve for x
x = 318,948,364,958.19/626,822.67 - Step 6: Final answer
x = 508,833.49
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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.