Finding the Fourth Proportional to 529,212.62, 730,318.48 and 287,497.02
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Solution
The fourth proportional to 529,212.62, 730,318.48 and 287,497.02 is: 396,748.64
Step by Step Solution
- Step 1: Write the proportion equation
529,212.62 : 730,318.48 = 287,497.02 : x - Step 2: Convert to fraction form
529,212.62/730,318.48 = 287,497.02/x - Step 3: Cross multiply
529,212.62x = 730,318.48 × 287,497.02 - Step 4: Simplify right side
529,212.62x = 209,964,386,650.93 - Step 5: Solve for x
x = 209,964,386,650.93/529,212.62 - Step 6: Final answer
x = 396,748.64
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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.