Finding the Fourth Proportional to 690,324, 1,033,990.26 and 334,593.84
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Solution
The fourth proportional to 690,324, 1,033,990.26 and 334,593.84 is: 501,165.79
Step by Step Solution
- Step 1: Write the proportion equation
690,324 : 1,033,990.26 = 334,593.84 : x - Step 2: Convert to fraction form
690,324/1,033,990.26 = 334,593.84/x - Step 3: Cross multiply
690,324x = 1,033,990.26 × 334,593.84 - Step 4: Simplify right side
690,324x = 345,966,771,616.00 - Step 5: Solve for x
x = 345,966,771,616.00/690,324 - Step 6: Final answer
x = 501,165.79
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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.