Finding the Fourth Proportional to 636,690.11, 878,613.82 and 350,210.12
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Solution
The fourth proportional to 636,690.11, 878,613.82 and 350,210.12 is: 483,279.77
Step by Step Solution
- Step 1: Write the proportion equation
636,690.11 : 878,613.82 = 350,210.12 : x - Step 2: Convert to fraction form
636,690.11/878,613.82 = 350,210.12/x - Step 3: Cross multiply
636,690.11x = 878,613.82 × 350,210.12 - Step 4: Simplify right side
636,690.11x = 307,699,446,067.26 - Step 5: Solve for x
x = 307,699,446,067.26/636,690.11 - Step 6: Final answer
x = 483,279.77
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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.