Finding the Fourth Proportional to 492,450.63, 679,898.10 and 308,940.75
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Solution
The fourth proportional to 492,450.63, 679,898.10 and 308,940.75 is: 426,536.62
Step by Step Solution
- Step 1: Write the proportion equation
492,450.63 : 679,898.10 = 308,940.75 : x - Step 2: Convert to fraction form
492,450.63/679,898.10 = 308,940.75/x - Step 3: Cross multiply
492,450.63x = 679,898.10 × 308,940.75 - Step 4: Simplify right side
492,450.63x = 210,048,225,693.13 - Step 5: Solve for x
x = 210,048,225,693.13/492,450.63 - Step 6: Final answer
x = 426,536.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.