Finding the Fourth Proportional to 828,414.26, 1,240,628.44 and 472,348.79
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Solution
The fourth proportional to 828,414.26, 1,240,628.44 and 472,348.79 is: 707,386.84
Step by Step Solution
- Step 1: Write the proportion equation
828,414.26 : 1,240,628.44 = 472,348.79 : x - Step 2: Convert to fraction form
828,414.26/1,240,628.44 = 472,348.79/x - Step 3: Cross multiply
828,414.26x = 1,240,628.44 × 472,348.79 - Step 4: Simplify right side
828,414.26x = 586,009,342,473.59 - Step 5: Solve for x
x = 586,009,342,473.59/828,414.26 - Step 6: Final answer
x = 707,386.84
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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.