Finding the Fourth Proportional to 853,752.36, 1,280,701.26 and 254,674.92
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Solution
The fourth proportional to 853,752.36, 1,280,701.26 and 254,674.92 is: 382,034.07
Step by Step Solution
- Step 1: Write the proportion equation
853,752.36 : 1,280,701.26 = 254,674.92 : x - Step 2: Convert to fraction form
853,752.36/1,280,701.26 = 254,674.92/x - Step 3: Cross multiply
853,752.36x = 1,280,701.26 × 254,674.92 - Step 4: Simplify right side
853,752.36x = 326,162,490,934.40 - Step 5: Solve for x
x = 326,162,490,934.40/853,752.36 - Step 6: Final answer
x = 382,034.07
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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.