Finding the Fourth Proportional to 869,151.80, 1,303,727.70 and 729,183.80
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Solution
The fourth proportional to 869,151.80, 1,303,727.70 and 729,183.80 is: 1,093,775.70
Step by Step Solution
- Step 1: Write the proportion equation
869,151.80 : 1,303,727.70 = 729,183.80 : x - Step 2: Convert to fraction form
869,151.80/1,303,727.70 = 729,183.80/x - Step 3: Cross multiply
869,151.80x = 1,303,727.70 × 729,183.80 - Step 4: Simplify right side
869,151.80x = 950,657,118,451.26 - Step 5: Solve for x
x = 950,657,118,451.26/869,151.80 - Step 6: Final answer
x = 1,093,775.70
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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.