Finding the Fourth Proportional to 529,213.62, 730,319.86 and 287,498.02
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Solution
The fourth proportional to 529,213.62, 730,319.86 and 287,498.02 is: 396,750.02
Step by Step Solution
- Step 1: Write the proportion equation
529,213.62 : 730,319.86 = 287,498.02 : x - Step 2: Convert to fraction form
529,213.62/730,319.86 = 287,498.02/x - Step 3: Cross multiply
529,213.62x = 730,319.86 × 287,498.02 - Step 4: Simplify right side
529,213.62x = 209,965,513,716.68 - Step 5: Solve for x
x = 209,965,513,716.68/529,213.62 - Step 6: Final answer
x = 396,750.02
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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.