Finding the Fourth Proportional to 889,313.58, 1,333,972.19 and 416,331.09
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Solution
The fourth proportional to 889,313.58, 1,333,972.19 and 416,331.09 is: 624,497.49
Step by Step Solution
- Step 1: Write the proportion equation
889,313.58 : 1,333,972.19 = 416,331.09 : x - Step 2: Convert to fraction form
889,313.58/1,333,972.19 = 416,331.09/x - Step 3: Cross multiply
889,313.58x = 1,333,972.19 × 416,331.09 - Step 4: Simplify right side
889,313.58x = 555,374,096,933.22 - Step 5: Solve for x
x = 555,374,096,933.22/889,313.58 - Step 6: Final answer
x = 624,497.49
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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.