Finding the Fourth Proportional to 476,493.63, 657,708.83 and 306,727.75
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Solution
The fourth proportional to 476,493.63, 657,708.83 and 306,727.75 is: 423,379.32
Step by Step Solution
- Step 1: Write the proportion equation
476,493.63 : 657,708.83 = 306,727.75 : x - Step 2: Convert to fraction form
476,493.63/657,708.83 = 306,727.75/x - Step 3: Cross multiply
476,493.63x = 657,708.83 × 306,727.75 - Step 4: Simplify right side
476,493.63x = 201,737,549,581.03 - Step 5: Solve for x
x = 201,737,549,581.03/476,493.63 - Step 6: Final answer
x = 423,379.32
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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.