Finding the Fourth Proportional to 727,722.23, 1,004,179.68 and 421,894.58
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Solution
The fourth proportional to 727,722.23, 1,004,179.68 and 421,894.58 is: 582,169.88
Step by Step Solution
- Step 1: Write the proportion equation
727,722.23 : 1,004,179.68 = 421,894.58 : x - Step 2: Convert to fraction form
727,722.23/1,004,179.68 = 421,894.58/x - Step 3: Cross multiply
727,722.23x = 1,004,179.68 × 421,894.58 - Step 4: Simplify right side
727,722.23x = 423,657,959,317.24 - Step 5: Solve for x
x = 423,657,959,317.24/727,722.23 - Step 6: Final answer
x = 582,169.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.