Finding the Fourth Proportional to 905,511.04, 1,358,329.43 and 306,269.62
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Solution
The fourth proportional to 905,511.04, 1,358,329.43 and 306,269.62 is: 459,425.69
Step by Step Solution
- Step 1: Write the proportion equation
905,511.04 : 1,358,329.43 = 306,269.62 : x - Step 2: Convert to fraction form
905,511.04/1,358,329.43 = 306,269.62/x - Step 3: Cross multiply
905,511.04x = 1,358,329.43 × 306,269.62 - Step 4: Simplify right side
905,511.04x = 416,015,038,360.92 - Step 5: Solve for x
x = 416,015,038,360.92/905,511.04 - Step 6: Final answer
x = 459,425.69
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1.5x scale
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.