Finding the Fourth Proportional to 919,773.36, 1,379,603.14 and 343,284.42
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Solution
The fourth proportional to 919,773.36, 1,379,603.14 and 343,284.42 is: 514,905.39
Step by Step Solution
- Step 1: Write the proportion equation
919,773.36 : 1,379,603.14 = 343,284.42 : x - Step 2: Convert to fraction form
919,773.36/1,379,603.14 = 343,284.42/x - Step 3: Cross multiply
919,773.36x = 1,379,603.14 × 343,284.42 - Step 4: Simplify right side
919,773.36x = 473,596,263,745.08 - Step 5: Solve for x
x = 473,596,263,745.08/919,773.36 - Step 6: Final answer
x = 514,905.39
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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.