Finding the Fourth Proportional to 869,147.80, 1,303,721.70 and 824,861.05
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Solution
The fourth proportional to 869,147.80, 1,303,721.70 and 824,861.05 is: 1,237,291.58
Step by Step Solution
- Step 1: Write the proportion equation
869,147.80 : 1,303,721.70 = 824,861.05 : x - Step 2: Convert to fraction form
869,147.80/1,303,721.70 = 824,861.05/x - Step 3: Cross multiply
869,147.80x = 1,303,721.70 × 824,861.05 - Step 4: Simplify right side
869,147.80x = 1,075,389,250,369.79 - Step 5: Solve for x
x = 1,075,389,250,369.79/869,147.80 - Step 6: Final answer
x = 1,237,291.58
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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.