Finding the Fourth Proportional to 779,609.63, 1,169,414.49 and 188,633.63
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Solution
The fourth proportional to 779,609.63, 1,169,414.49 and 188,633.63 is: 282,950.45
Step by Step Solution
- Step 1: Write the proportion equation
779,609.63 : 1,169,414.49 = 188,633.63 : x - Step 2: Convert to fraction form
779,609.63/1,169,414.49 = 188,633.63/x - Step 3: Cross multiply
779,609.63x = 1,169,414.49 × 188,633.63 - Step 4: Simplify right side
779,609.63x = 220,590,894,376.23 - Step 5: Solve for x
x = 220,590,894,376.23/779,609.63 - Step 6: Final answer
x = 282,950.45
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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.