Finding the Fourth Proportional to 804,975.18, 1,207,450.47 and 205,931.28
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Solution
The fourth proportional to 804,975.18, 1,207,450.47 and 205,931.28 is: 308,893.77
Step by Step Solution
- Step 1: Write the proportion equation
804,975.18 : 1,207,450.47 = 205,931.28 : x - Step 2: Convert to fraction form
804,975.18/1,207,450.47 = 205,931.28/x - Step 3: Cross multiply
804,975.18x = 1,207,450.47 × 205,931.28 - Step 4: Simplify right side
804,975.18x = 248,651,820,823.70 - Step 5: Solve for x
x = 248,651,820,823.70/804,975.18 - Step 6: Final answer
x = 308,893.77
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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.