Finding the Fourth Proportional to 728,563.36, 1,087,146.40 and 652,912.48
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Solution
The fourth proportional to 728,563.36, 1,087,146.40 and 652,912.48 is: 974,261.80
Step by Step Solution
- Step 1: Write the proportion equation
728,563.36 : 1,087,146.40 = 652,912.48 : x - Step 2: Convert to fraction form
728,563.36/1,087,146.40 = 652,912.48/x - Step 3: Cross multiply
728,563.36x = 1,087,146.40 × 652,912.48 - Step 4: Simplify right side
728,563.36x = 709,811,452,147.07 - Step 5: Solve for x
x = 709,811,452,147.07/728,563.36 - Step 6: Final answer
x = 974,261.80
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.