Finding the Fourth Proportional to 908,349.69, 1,362,479.24 and 339,688.99
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Solution
The fourth proportional to 908,349.69, 1,362,479.24 and 339,688.99 is: 509,516.54
Step by Step Solution
- Step 1: Write the proportion equation
908,349.69 : 1,362,479.24 = 339,688.99 : x - Step 2: Convert to fraction form
908,349.69/1,362,479.24 = 339,688.99/x - Step 3: Cross multiply
908,349.69x = 1,362,479.24 × 339,688.99 - Step 4: Simplify right side
908,349.69x = 462,819,191,819.94 - Step 5: Solve for x
x = 462,819,191,819.94/908,349.69 - Step 6: Final answer
x = 509,516.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.