Finding the Fourth Proportional to 485,674.44, 669,853.98 and 431,283.75
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Solution
The fourth proportional to 485,674.44, 669,853.98 and 431,283.75 is: 594,837.02
Step by Step Solution
- Step 1: Write the proportion equation
485,674.44 : 669,853.98 = 431,283.75 : x - Step 2: Convert to fraction form
485,674.44/669,853.98 = 431,283.75/x - Step 3: Cross multiply
485,674.44x = 669,853.98 × 431,283.75 - Step 4: Simplify right side
485,674.44x = 288,897,136,446.83 - Step 5: Solve for x
x = 288,897,136,446.83/485,674.44 - Step 6: Final answer
x = 594,837.02
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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.