Finding the Fourth Proportional to 746,455.80, 1,119,683.70 and 247,819.80
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Solution
The fourth proportional to 746,455.80, 1,119,683.70 and 247,819.80 is: 371,729.70
Step by Step Solution
- Step 1: Write the proportion equation
746,455.80 : 1,119,683.70 = 247,819.80 : x - Step 2: Convert to fraction form
746,455.80/1,119,683.70 = 247,819.80/x - Step 3: Cross multiply
746,455.80x = 1,119,683.70 × 247,819.80 - Step 4: Simplify right side
746,455.80x = 277,479,790,597.26 - Step 5: Solve for x
x = 277,479,790,597.26/746,455.80 - Step 6: Final answer
x = 371,729.70
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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.