Finding the Fourth Proportional to 775,572.80, 1,163,385.12 and 214,560.32
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Solution
The fourth proportional to 775,572.80, 1,163,385.12 and 214,560.32 is: 321,847.65
Step by Step Solution
- Step 1: Write the proportion equation
775,572.80 : 1,163,385.12 = 214,560.32 : x - Step 2: Convert to fraction form
775,572.80/1,163,385.12 = 214,560.32/x - Step 3: Cross multiply
775,572.80x = 1,163,385.12 × 214,560.32 - Step 4: Simplify right side
775,572.80x = 249,616,283,630.44 - Step 5: Solve for x
x = 249,616,283,630.44/775,572.80 - Step 6: Final answer
x = 321,847.65
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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.