Finding the Fourth Proportional to 914,183.74, 1,261,154.86 and 591,997.63
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Solution
The fourth proportional to 914,183.74, 1,261,154.86 and 591,997.63 is: 816,685.60
Step by Step Solution
- Step 1: Write the proportion equation
914,183.74 : 1,261,154.86 = 591,997.63 : x - Step 2: Convert to fraction form
914,183.74/1,261,154.86 = 591,997.63/x - Step 3: Cross multiply
914,183.74x = 1,261,154.86 × 591,997.63 - Step 4: Simplify right side
914,183.74x = 746,600,689,244.75 - Step 5: Solve for x
x = 746,600,689,244.75/914,183.74 - Step 6: Final answer
x = 816,685.60
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1.5x scale
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.