Finding the Fourth Proportional to 872,636.99, 1,308,631.47 and 303,872.09
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Solution
The fourth proportional to 872,636.99, 1,308,631.47 and 303,872.09 is: 455,695.30
Step by Step Solution
- Step 1: Write the proportion equation
872,636.99 : 1,308,631.47 = 303,872.09 : x - Step 2: Convert to fraction form
872,636.99/1,308,631.47 = 303,872.09/x - Step 3: Cross multiply
872,636.99x = 1,308,631.47 × 303,872.09 - Step 4: Simplify right side
872,636.99x = 397,656,573,285.52 - Step 5: Solve for x
x = 397,656,573,285.52/872,636.99 - Step 6: Final answer
x = 455,695.30
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.