Finding the Fourth Proportional to 731,425.12, 1,008,960.22 and 425,467.08
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Solution
The fourth proportional to 731,425.12, 1,008,960.22 and 425,467.08 is: 586,908.14
Step by Step Solution
- Step 1: Write the proportion equation
731,425.12 : 1,008,960.22 = 425,467.08 : x - Step 2: Convert to fraction form
731,425.12/1,008,960.22 = 425,467.08/x - Step 3: Cross multiply
731,425.12x = 1,008,960.22 × 425,467.08 - Step 4: Simplify right side
731,425.12x = 429,279,358,639.56 - Step 5: Solve for x
x = 429,279,358,639.56/731,425.12 - Step 6: Final answer
x = 586,908.14
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1.5x scale
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.