Finding the Fourth Proportional to 762,074.96, 1,142,749.55 and 288,458.24
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Solution
The fourth proportional to 762,074.96, 1,142,749.55 and 288,458.24 is: 432,550.00
Step by Step Solution
- Step 1: Write the proportion equation
762,074.96 : 1,142,749.55 = 288,458.24 : x - Step 2: Convert to fraction form
762,074.96/1,142,749.55 = 288,458.24/x - Step 3: Cross multiply
762,074.96x = 1,142,749.55 × 288,458.24 - Step 4: Simplify right side
762,074.96x = 329,635,518,961.19 - Step 5: Solve for x
x = 329,635,518,961.19/762,074.96 - Step 6: Final answer
x = 432,550.00
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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.