Finding the Fourth Proportional to 741,000.12, 1,022,566.83 and 418,703.28
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Solution
The fourth proportional to 741,000.12, 1,022,566.83 and 418,703.28 is: 577,802.99
Step by Step Solution
- Step 1: Write the proportion equation
741,000.12 : 1,022,566.83 = 418,703.28 : x - Step 2: Convert to fraction form
741,000.12/1,022,566.83 = 418,703.28/x - Step 3: Cross multiply
741,000.12x = 1,022,566.83 × 418,703.28 - Step 4: Simplify right side
741,000.12x = 428,152,085,740.20 - Step 5: Solve for x
x = 428,152,085,740.20/741,000.12 - Step 6: Final answer
x = 577,802.99
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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.