Finding the Fourth Proportional to 768,679.47, 1,153,074.49 and 295,364.68
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Solution
The fourth proportional to 768,679.47, 1,153,074.49 and 295,364.68 is: 443,068.26
Step by Step Solution
- Step 1: Write the proportion equation
768,679.47 : 1,153,074.49 = 295,364.68 : x - Step 2: Convert to fraction form
768,679.47/1,153,074.49 = 295,364.68/x - Step 3: Cross multiply
768,679.47x = 1,153,074.49 × 295,364.68 - Step 4: Simplify right side
768,679.47x = 340,577,474,133.92 - Step 5: Solve for x
x = 340,577,474,133.92/768,679.47 - Step 6: Final answer
x = 443,068.26
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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.