Finding the Fourth Proportional to 886,593.06, 1,329,282.12 and 317,961.96
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Solution
The fourth proportional to 886,593.06, 1,329,282.12 and 317,961.96 is: 476,725.08
Step by Step Solution
- Step 1: Write the proportion equation
886,593.06 : 1,329,282.12 = 317,961.96 : x - Step 2: Convert to fraction form
886,593.06/1,329,282.12 = 317,961.96/x - Step 3: Cross multiply
886,593.06x = 1,329,282.12 × 317,961.96 - Step 4: Simplify right side
886,593.06x = 422,661,148,268.16 - Step 5: Solve for x
x = 422,661,148,268.16/886,593.06 - Step 6: Final answer
x = 476,725.08
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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.