Finding the Fourth Proportional to 984,654.77, 1,358,302.77 and 678,204.09
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Solution
The fourth proportional to 984,654.77, 1,358,302.77 and 678,204.09 is: 935,562.93
Step by Step Solution
- Step 1: Write the proportion equation
984,654.77 : 1,358,302.77 = 678,204.09 : x - Step 2: Convert to fraction form
984,654.77/1,358,302.77 = 678,204.09/x - Step 3: Cross multiply
984,654.77x = 1,358,302.77 × 678,204.09 - Step 4: Simplify right side
984,654.77x = 921,206,494,072.33 - Step 5: Solve for x
x = 921,206,494,072.33/984,654.77 - Step 6: Final answer
x = 935,562.93
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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.