Finding the Fourth Proportional to 852,203.49, 1,277,971.71 and 319,433.95
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Solution
The fourth proportional to 852,203.49, 1,277,971.71 and 319,433.95 is: 479,025.91
Step by Step Solution
- Step 1: Write the proportion equation
852,203.49 : 1,277,971.71 = 319,433.95 : x - Step 2: Convert to fraction form
852,203.49/1,277,971.71 = 319,433.95/x - Step 3: Cross multiply
852,203.49x = 1,277,971.71 × 319,433.95 - Step 4: Simplify right side
852,203.49x = 408,227,551,313.56 - Step 5: Solve for x
x = 408,227,551,313.56/852,203.49 - Step 6: Final answer
x = 479,025.91
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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.