Finding the Fourth Proportional to 809,173.80, 1,214,246.70 and 335,809.80
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Solution
The fourth proportional to 809,173.80, 1,214,246.70 and 335,809.80 is: 503,916.39
Step by Step Solution
- Step 1: Write the proportion equation
809,173.80 : 1,214,246.70 = 335,809.80 : x - Step 2: Convert to fraction form
809,173.80/1,214,246.70 = 335,809.80/x - Step 3: Cross multiply
809,173.80x = 1,214,246.70 × 335,809.80 - Step 4: Simplify right side
809,173.80x = 407,755,941,477.66 - Step 5: Solve for x
x = 407,755,941,477.66/809,173.80 - Step 6: Final answer
x = 503,916.39
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1.5x scale
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.