Finding the Fourth Proportional to 728,452.98, 1,091,744.33 and 348,804.84
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Solution
The fourth proportional to 728,452.98, 1,091,744.33 and 348,804.84 is: 522,759.48
Step by Step Solution
- Step 1: Write the proportion equation
728,452.98 : 1,091,744.33 = 348,804.84 : x - Step 2: Convert to fraction form
728,452.98/1,091,744.33 = 348,804.84/x - Step 3: Cross multiply
728,452.98x = 1,091,744.33 × 348,804.84 - Step 4: Simplify right side
728,452.98x = 380,805,704,602.53 - Step 5: Solve for x
x = 380,805,704,602.53/728,452.98 - Step 6: Final answer
x = 522,759.48
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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.