Finding the Fourth Proportional to 741,014.85, 1,022,587.17 and 418,717.99
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Solution
The fourth proportional to 741,014.85, 1,022,587.17 and 418,717.99 is: 577,823.29
Step by Step Solution
- Step 1: Write the proportion equation
741,014.85 : 1,022,587.17 = 418,717.99 : x - Step 2: Convert to fraction form
741,014.85/1,022,587.17 = 418,717.99/x - Step 3: Cross multiply
741,014.85x = 1,022,587.17 × 418,717.99 - Step 4: Simplify right side
741,014.85x = 428,175,639,309.25 - Step 5: Solve for x
x = 428,175,639,309.25/741,014.85 - Step 6: Final answer
x = 577,823.29
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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.