Finding the Fourth Proportional to 861,518.53, 1,292,868.29 and 300,553.03
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Solution
The fourth proportional to 861,518.53, 1,292,868.29 and 300,553.03 is: 451,035.55
Step by Step Solution
- Step 1: Write the proportion equation
861,518.53 : 1,292,868.29 = 300,553.03 : x - Step 2: Convert to fraction form
861,518.53/1,292,868.29 = 300,553.03/x - Step 3: Cross multiply
861,518.53x = 1,292,868.29 × 300,553.03 - Step 4: Simplify right side
861,518.53x = 388,575,482,627.28 - Step 5: Solve for x
x = 388,575,482,627.28/861,518.53 - Step 6: Final answer
x = 451,035.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.