Finding the Fourth Proportional to 793,393.98, 1,190,563.61 and 287,994.29
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Solution
The fourth proportional to 793,393.98, 1,190,563.61 and 287,994.29 is: 432,162.99
Step by Step Solution
- Step 1: Write the proportion equation
793,393.98 : 1,190,563.61 = 287,994.29 : x - Step 2: Convert to fraction form
793,393.98/1,190,563.61 = 287,994.29/x - Step 3: Cross multiply
793,393.98x = 1,190,563.61 × 287,994.29 - Step 4: Simplify right side
793,393.98x = 342,875,514,169.00 - Step 5: Solve for x
x = 342,875,514,169.00/793,393.98 - Step 6: Final answer
x = 432,162.99
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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.