Finding the Fourth Proportional to 718,981.99, 1,078,620.51 and 292,516.69
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Solution
The fourth proportional to 718,981.99, 1,078,620.51 and 292,516.69 is: 438,835.06
Step by Step Solution
- Step 1: Write the proportion equation
718,981.99 : 1,078,620.51 = 292,516.69 : x - Step 2: Convert to fraction form
718,981.99/1,078,620.51 = 292,516.69/x - Step 3: Cross multiply
718,981.99x = 1,078,620.51 × 292,516.69 - Step 4: Simplify right side
718,981.99x = 315,514,501,351.31 - Step 5: Solve for x
x = 315,514,501,351.31/718,981.99 - Step 6: Final answer
x = 438,835.06
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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.