Finding the Fourth Proportional to 672,724.17, 1,007,944.36 and 405,924.08
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Solution
The fourth proportional to 672,724.17, 1,007,944.36 and 405,924.08 is: 608,197.09
Step by Step Solution
- Step 1: Write the proportion equation
672,724.17 : 1,007,944.36 = 405,924.08 : x - Step 2: Convert to fraction form
672,724.17/1,007,944.36 = 405,924.08/x - Step 3: Cross multiply
672,724.17x = 1,007,944.36 × 405,924.08 - Step 4: Simplify right side
672,724.17x = 409,148,880,969.66 - Step 5: Solve for x
x = 409,148,880,969.66/672,724.17 - Step 6: Final answer
x = 608,197.09
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1.5x scale
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.