Finding the Fourth Proportional to 845,068.42, 1,267,661.15 and 339,629.84
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Solution
The fourth proportional to 845,068.42, 1,267,661.15 and 339,629.84 is: 509,468.28
Step by Step Solution
- Step 1: Write the proportion equation
845,068.42 : 1,267,661.15 = 339,629.84 : x - Step 2: Convert to fraction form
845,068.42/1,267,661.15 = 339,629.84/x - Step 3: Cross multiply
845,068.42x = 1,267,661.15 × 339,629.84 - Step 4: Simplify right side
845,068.42x = 430,535,553,548.72 - Step 5: Solve for x
x = 430,535,553,548.72/845,068.42 - Step 6: Final answer
x = 509,468.28
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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.