Finding the Fourth Proportional to 789,326.83, 1,088,544.18 and 517,295.62
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Solution
The fourth proportional to 789,326.83, 1,088,544.18 and 517,295.62 is: 713,391.61
Step by Step Solution
- Step 1: Write the proportion equation
789,326.83 : 1,088,544.18 = 517,295.62 : x - Step 2: Convert to fraction form
789,326.83/1,088,544.18 = 517,295.62/x - Step 3: Cross multiply
789,326.83x = 1,088,544.18 × 517,295.62 - Step 4: Simplify right side
789,326.83x = 563,099,136,490.49 - Step 5: Solve for x
x = 563,099,136,490.49/789,326.83 - Step 6: Final answer
x = 713,391.61
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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.