Finding the Fourth Proportional to 746,550.42, 1,120,290.06 and 303,318.42
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Solution
The fourth proportional to 746,550.42, 1,120,290.06 and 303,318.42 is: 455,166.32
Step by Step Solution
- Step 1: Write the proportion equation
746,550.42 : 1,120,290.06 = 303,318.42 : x - Step 2: Convert to fraction form
746,550.42/1,120,290.06 = 303,318.42/x - Step 3: Cross multiply
746,550.42x = 1,120,290.06 × 303,318.42 - Step 4: Simplify right side
746,550.42x = 339,804,610,940.91 - Step 5: Solve for x
x = 339,804,610,940.91/746,550.42 - Step 6: Final answer
x = 455,166.32
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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.