Finding the Fourth Proportional to 809,153.84, 1,117,052.22 and 591,117.84
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Solution
The fourth proportional to 809,153.84, 1,117,052.22 and 591,117.84 is: 816,049.39
Step by Step Solution
- Step 1: Write the proportion equation
809,153.84 : 1,117,052.22 = 591,117.84 : x - Step 2: Convert to fraction form
809,153.84/1,117,052.22 = 591,117.84/x - Step 3: Cross multiply
809,153.84x = 1,117,052.22 × 591,117.84 - Step 4: Simplify right side
809,153.84x = 660,309,495,453.61 - Step 5: Solve for x
x = 660,309,495,453.61/809,153.84 - Step 6: Final answer
x = 816,049.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.