Finding the Fourth Proportional to 552,339.14, 762,070.79 and 331,486.72
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Solution
The fourth proportional to 552,339.14, 762,070.79 and 331,486.72 is: 457,357.32
Step by Step Solution
- Step 1: Write the proportion equation
552,339.14 : 762,070.79 = 331,486.72 : x - Step 2: Convert to fraction form
552,339.14/762,070.79 = 331,486.72/x - Step 3: Cross multiply
552,339.14x = 762,070.79 × 331,486.72 - Step 4: Simplify right side
552,339.14x = 252,616,346,584.91 - Step 5: Solve for x
x = 252,616,346,584.91/552,339.14 - Step 6: Final answer
x = 457,357.32
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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.