Finding the Fourth Proportional to 891,352.28, 1,229,668.08 and 528,791.60
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Solution
The fourth proportional to 891,352.28, 1,229,668.08 and 528,791.60 is: 729,496.26
Step by Step Solution
- Step 1: Write the proportion equation
891,352.28 : 1,229,668.08 = 528,791.60 : x - Step 2: Convert to fraction form
891,352.28/1,229,668.08 = 528,791.60/x - Step 3: Cross multiply
891,352.28x = 1,229,668.08 × 528,791.60 - Step 4: Simplify right side
891,352.28x = 650,238,151,492.13 - Step 5: Solve for x
x = 650,238,151,492.13/891,352.28 - Step 6: Final answer
x = 729,496.26
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.