Finding the Fourth Proportional to 871,375.48, 1,307,064.25 and 272,339.78
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Solution
The fourth proportional to 871,375.48, 1,307,064.25 and 272,339.78 is: 408,509.99
Step by Step Solution
- Step 1: Write the proportion equation
871,375.48 : 1,307,064.25 = 272,339.78 : x - Step 2: Convert to fraction form
871,375.48/1,307,064.25 = 272,339.78/x - Step 3: Cross multiply
871,375.48x = 1,307,064.25 × 272,339.78 - Step 4: Simplify right side
871,375.48x = 355,965,590,290.87 - Step 5: Solve for x
x = 355,965,590,290.87/871,375.48 - Step 6: Final answer
x = 408,509.99
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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.