Finding the Fourth Proportional to 809,302.67, 1,213,117.47 and 303,506.98
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Solution
The fourth proportional to 809,302.67, 1,213,117.47 and 303,506.98 is: 454,946.75
Step by Step Solution
- Step 1: Write the proportion equation
809,302.67 : 1,213,117.47 = 303,506.98 : x - Step 2: Convert to fraction form
809,302.67/1,213,117.47 = 303,506.98/x - Step 3: Cross multiply
809,302.67x = 1,213,117.47 × 303,506.98 - Step 4: Simplify right side
809,302.67x = 368,189,616,672.15 - Step 5: Solve for x
x = 368,189,616,672.15/809,302.67 - Step 6: Final answer
x = 454,946.75
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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.