Finding the Fourth Proportional to 497,572.68, 686,107.64 and 336,147.44
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Solution
The fourth proportional to 497,572.68, 686,107.64 and 336,147.44 is: 463,516.86
Step by Step Solution
- Step 1: Write the proportion equation
497,572.68 : 686,107.64 = 336,147.44 : x - Step 2: Convert to fraction form
497,572.68/686,107.64 = 336,147.44/x - Step 3: Cross multiply
497,572.68x = 686,107.64 × 336,147.44 - Step 4: Simplify right side
497,572.68x = 230,633,326,750.44 - Step 5: Solve for x
x = 230,633,326,750.44/497,572.68 - Step 6: Final answer
x = 463,516.86
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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.