Finding the Fourth Proportional to 829,072.26, 1,243,603.80 and 716,409.90
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Solution
The fourth proportional to 829,072.26, 1,243,603.80 and 716,409.90 is: 1,074,610.88
Step by Step Solution
- Step 1: Write the proportion equation
829,072.26 : 1,243,603.80 = 716,409.90 : x - Step 2: Convert to fraction form
829,072.26/1,243,603.80 = 716,409.90/x - Step 3: Cross multiply
829,072.26x = 1,243,603.80 × 716,409.90 - Step 4: Simplify right side
829,072.26x = 890,930,073,997.62 - Step 5: Solve for x
x = 890,930,073,997.62/829,072.26 - Step 6: Final answer
x = 1,074,610.88
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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.