Finding the Fourth Proportional to 828,804.35, 1,143,738.09 and 461,279.00
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Solution
The fourth proportional to 828,804.35, 1,143,738.09 and 461,279.00 is: 636,558.39
Step by Step Solution
- Step 1: Write the proportion equation
828,804.35 : 1,143,738.09 = 461,279.00 : x - Step 2: Convert to fraction form
828,804.35/1,143,738.09 = 461,279.00/x - Step 3: Cross multiply
828,804.35x = 1,143,738.09 × 461,279.00 - Step 4: Simplify right side
828,804.35x = 527,582,356,698.42 - Step 5: Solve for x
x = 527,582,356,698.42/828,804.35 - Step 6: Final answer
x = 636,558.39
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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.