Finding the Fourth Proportional to 889,866.09, 1,334,526.45 and 321,177.75
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Solution
The fourth proportional to 889,866.09, 1,334,526.45 and 321,177.75 is: 481,668.21
Step by Step Solution
- Step 1: Write the proportion equation
889,866.09 : 1,334,526.45 = 321,177.75 : x - Step 2: Convert to fraction form
889,866.09/1,334,526.45 = 321,177.75/x - Step 3: Cross multiply
889,866.09x = 1,334,526.45 × 321,177.75 - Step 4: Simplify right side
889,866.09x = 428,620,202,526.49 - Step 5: Solve for x
x = 428,620,202,526.49/889,866.09 - Step 6: Final answer
x = 481,668.21
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.