Finding the Fourth Proportional to 508,562.49, 762,843.73 and 396,326.68
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Solution
The fourth proportional to 508,562.49, 762,843.73 and 396,326.68 is: 594,490.02
Step by Step Solution
- Step 1: Write the proportion equation
508,562.49 : 762,843.73 = 396,326.68 : x - Step 2: Convert to fraction form
508,562.49/762,843.73 = 396,326.68/x - Step 3: Cross multiply
508,562.49x = 762,843.73 × 396,326.68 - Step 4: Simplify right side
508,562.49x = 302,335,322,869.72 - Step 5: Solve for x
x = 302,335,322,869.72/508,562.49 - Step 6: Final answer
x = 594,490.02
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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.