Finding the Fourth Proportional to 783,670.14, 1,081,476.97 and 439,582.44
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Solution
The fourth proportional to 783,670.14, 1,081,476.97 and 439,582.44 is: 606,630.60
Step by Step Solution
- Step 1: Write the proportion equation
783,670.14 : 1,081,476.97 = 439,582.44 : x - Step 2: Convert to fraction form
783,670.14/1,081,476.97 = 439,582.44/x - Step 3: Cross multiply
783,670.14x = 1,081,476.97 × 439,582.44 - Step 4: Simplify right side
783,670.14x = 475,398,288,232.99 - Step 5: Solve for x
x = 475,398,288,232.99/783,670.14 - Step 6: Final answer
x = 606,630.60
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1.5x scale
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.