Finding the Fourth Proportional to 441,733.29, 608,864.09 and 312,504.81
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Solution
The fourth proportional to 441,733.29, 608,864.09 and 312,504.81 is: 430,741.72
Step by Step Solution
- Step 1: Write the proportion equation
441,733.29 : 608,864.09 = 312,504.81 : x - Step 2: Convert to fraction form
441,733.29/608,864.09 = 312,504.81/x - Step 3: Cross multiply
441,733.29x = 608,864.09 × 312,504.81 - Step 4: Simplify right side
441,733.29x = 190,272,955,198.75 - Step 5: Solve for x
x = 190,272,955,198.75/441,733.29 - Step 6: Final answer
x = 430,741.72
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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.