Finding the Fourth Proportional to 778,989.14, 1,168,366.76 and 246,440.97
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Solution
The fourth proportional to 778,989.14, 1,168,366.76 and 246,440.97 is: 369,624.46
Step by Step Solution
- Step 1: Write the proportion equation
778,989.14 : 1,168,366.76 = 246,440.97 : x - Step 2: Convert to fraction form
778,989.14/1,168,366.76 = 246,440.97/x - Step 3: Cross multiply
778,989.14x = 1,168,366.76 × 246,440.97 - Step 4: Simplify right side
778,989.14x = 287,933,437,650.16 - Step 5: Solve for x
x = 287,933,437,650.16/778,989.14 - Step 6: Final answer
x = 369,624.46
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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.