Finding the Fourth Proportional to 728,982.44, 1,005,452.52 and 535,329.44
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Solution
The fourth proportional to 728,982.44, 1,005,452.52 and 535,329.44 is: 738,355.69
Step by Step Solution
- Step 1: Write the proportion equation
728,982.44 : 1,005,452.52 = 535,329.44 : x - Step 2: Convert to fraction form
728,982.44/1,005,452.52 = 535,329.44/x - Step 3: Cross multiply
728,982.44x = 1,005,452.52 × 535,329.44 - Step 4: Simplify right side
728,982.44x = 538,248,334,478.19 - Step 5: Solve for x
x = 538,248,334,478.19/728,982.44 - Step 6: Final answer
x = 738,355.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.