Finding the Fourth Proportional to 694,973.67, 959,010.68 and 388,979.97
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Solution
The fourth proportional to 694,973.67, 959,010.68 and 388,979.97 is: 536,762.70
Step by Step Solution
- Step 1: Write the proportion equation
694,973.67 : 959,010.68 = 388,979.97 : x - Step 2: Convert to fraction form
694,973.67/959,010.68 = 388,979.97/x - Step 3: Cross multiply
694,973.67x = 959,010.68 × 388,979.97 - Step 4: Simplify right side
694,973.67x = 373,035,943,591.18 - Step 5: Solve for x
x = 373,035,943,591.18/694,973.67 - Step 6: Final answer
x = 536,762.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.