Finding the Fourth Proportional to 788,941.13, 1,183,706.90 and 409,625.12
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Solution
The fourth proportional to 788,941.13, 1,183,706.90 and 409,625.12 is: 614,590.95
Step by Step Solution
- Step 1: Write the proportion equation
788,941.13 : 1,183,706.90 = 409,625.12 : x - Step 2: Convert to fraction form
788,941.13/1,183,706.90 = 409,625.12/x - Step 3: Cross multiply
788,941.13x = 1,183,706.90 × 409,625.12 - Step 4: Simplify right side
788,941.13x = 484,876,072,990.67 - Step 5: Solve for x
x = 484,876,072,990.67/788,941.13 - Step 6: Final answer
x = 614,590.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.