Finding the Fourth Proportional to 658,614.24, 908,881.94 and 356,807.52
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Solution
The fourth proportional to 658,614.24, 908,881.94 and 356,807.52 is: 492,391.28
Step by Step Solution
- Step 1: Write the proportion equation
658,614.24 : 908,881.94 = 356,807.52 : x - Step 2: Convert to fraction form
658,614.24/908,881.94 = 356,807.52/x - Step 3: Cross multiply
658,614.24x = 908,881.94 × 356,807.52 - Step 4: Simplify right side
658,614.24x = 324,295,910,984.19 - Step 5: Solve for x
x = 324,295,910,984.19/658,614.24 - Step 6: Final answer
x = 492,391.28
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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.