Finding the Fourth Proportional to 572,753.40, 790,353.41 and 331,051.62
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Solution
The fourth proportional to 572,753.40, 790,353.41 and 331,051.62 is: 456,824.48
Step by Step Solution
- Step 1: Write the proportion equation
572,753.40 : 790,353.41 = 331,051.62 : x - Step 2: Convert to fraction form
572,753.40/790,353.41 = 331,051.62/x - Step 3: Cross multiply
572,753.40x = 790,353.41 × 331,051.62 - Step 4: Simplify right side
572,753.40x = 261,647,775,097.77 - Step 5: Solve for x
x = 261,647,775,097.77/572,753.40 - Step 6: Final answer
x = 456,824.48
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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.