Finding the Fourth Proportional to 818,124.38, 1,227,270.36 and 313,110.08
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Solution
The fourth proportional to 818,124.38, 1,227,270.36 and 313,110.08 is: 469,697.19
Step by Step Solution
- Step 1: Write the proportion equation
818,124.38 : 1,227,270.36 = 313,110.08 : x - Step 2: Convert to fraction form
818,124.38/1,227,270.36 = 313,110.08/x - Step 3: Cross multiply
818,124.38x = 1,227,270.36 × 313,110.08 - Step 4: Simplify right side
818,124.38x = 384,270,720,601.23 - Step 5: Solve for x
x = 384,270,720,601.23/818,124.38 - Step 6: Final answer
x = 469,697.19
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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.