Finding the Fourth Proportional to 758,123.96, 1,137,107.84 and 252,630.28
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Solution
The fourth proportional to 758,123.96, 1,137,107.84 and 252,630.28 is: 378,919.39
Step by Step Solution
- Step 1: Write the proportion equation
758,123.96 : 1,137,107.84 = 252,630.28 : x - Step 2: Convert to fraction form
758,123.96/1,137,107.84 = 252,630.28/x - Step 3: Cross multiply
758,123.96x = 1,137,107.84 × 252,630.28 - Step 4: Simplify right side
758,123.96x = 287,267,872,009.40 - Step 5: Solve for x
x = 287,267,872,009.40/758,123.96 - Step 6: Final answer
x = 378,919.39
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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.