Finding the Fourth Proportional to 905,680.02, 1,358,436.70 and 306,572.70
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Solution
The fourth proportional to 905,680.02, 1,358,436.70 and 306,572.70 is: 459,830.84
Step by Step Solution
- Step 1: Write the proportion equation
905,680.02 : 1,358,436.70 = 306,572.70 : x - Step 2: Convert to fraction form
905,680.02/1,358,436.70 = 306,572.70/x - Step 3: Cross multiply
905,680.02x = 1,358,436.70 × 306,572.70 - Step 4: Simplify right side
905,680.02x = 416,459,606,898.09 - Step 5: Solve for x
x = 416,459,606,898.09/905,680.02 - Step 6: Final answer
x = 459,830.84
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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.