Finding the Fourth Proportional to 809,165.82, 1,117,068.75 and 591,129.84
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Solution
The fourth proportional to 809,165.82, 1,117,068.75 and 591,129.84 is: 816,065.95
Step by Step Solution
- Step 1: Write the proportion equation
809,165.82 : 1,117,068.75 = 591,129.84 : x - Step 2: Convert to fraction form
809,165.82/1,117,068.75 = 591,129.84/x - Step 3: Cross multiply
809,165.82x = 1,117,068.75 × 591,129.84 - Step 4: Simplify right side
809,165.82x = 660,332,671,456.50 - Step 5: Solve for x
x = 660,332,671,456.50/809,165.82 - Step 6: Final answer
x = 816,065.95
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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.