Finding the Fourth Proportional to 905,680.14, 1,358,436.90 and 306,572.82
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Solution
The fourth proportional to 905,680.14, 1,358,436.90 and 306,572.82 is: 459,831.03
Step by Step Solution
- Step 1: Write the proportion equation
905,680.14 : 1,358,436.90 = 306,572.82 : x - Step 2: Convert to fraction form
905,680.14/1,358,436.90 = 306,572.82/x - Step 3: Cross multiply
905,680.14x = 1,358,436.90 × 306,572.82 - Step 4: Simplify right side
905,680.14x = 416,459,831,225.06 - Step 5: Solve for x
x = 416,459,831,225.06/905,680.14 - Step 6: Final answer
x = 459,831.03
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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.