Finding the Fourth Proportional to 871,750.44, 1,307,625.66 and 310,391.28
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Solution
The fourth proportional to 871,750.44, 1,307,625.66 and 310,391.28 is: 465,586.92
Step by Step Solution
- Step 1: Write the proportion equation
871,750.44 : 1,307,625.66 = 310,391.28 : x - Step 2: Convert to fraction form
871,750.44/1,307,625.66 = 310,391.28/x - Step 3: Cross multiply
871,750.44x = 1,307,625.66 × 310,391.28 - Step 4: Simplify right side
871,750.44x = 405,875,602,368.25 - Step 5: Solve for x
x = 405,875,602,368.25/871,750.44 - Step 6: Final answer
x = 465,586.92
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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.