Finding the Fourth Proportional to 805,044.69, 1,110,968.60 and 442,476.99
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Solution
The fourth proportional to 805,044.69, 1,110,968.60 and 442,476.99 is: 610,622.05
Step by Step Solution
- Step 1: Write the proportion equation
805,044.69 : 1,110,968.60 = 442,476.99 : x - Step 2: Convert to fraction form
805,044.69/1,110,968.60 = 442,476.99/x - Step 3: Cross multiply
805,044.69x = 1,110,968.60 × 442,476.99 - Step 4: Simplify right side
805,044.69x = 491,578,039,900.13 - Step 5: Solve for x
x = 491,578,039,900.13/805,044.69 - Step 6: Final answer
x = 610,622.05
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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.