Finding the Fourth Proportional to 611,304.56, 843,603.68 and 339,368.12
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Solution
The fourth proportional to 611,304.56, 843,603.68 and 339,368.12 is: 468,329.89
Step by Step Solution
- Step 1: Write the proportion equation
611,304.56 : 843,603.68 = 339,368.12 : x - Step 2: Convert to fraction form
611,304.56/843,603.68 = 339,368.12/x - Step 3: Cross multiply
611,304.56x = 843,603.68 × 339,368.12 - Step 4: Simplify right side
611,304.56x = 286,292,194,906.68 - Step 5: Solve for x
x = 286,292,194,906.68/611,304.56 - Step 6: Final answer
x = 468,329.89
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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.