Finding the Fourth Proportional to 853,744.65, 1,178,168.06 and 471,771.44
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Solution
The fourth proportional to 853,744.65, 1,178,168.06 and 471,771.44 is: 651,044.82
Step by Step Solution
- Step 1: Write the proportion equation
853,744.65 : 1,178,168.06 = 471,771.44 : x - Step 2: Convert to fraction form
853,744.65/1,178,168.06 = 471,771.44/x - Step 3: Cross multiply
853,744.65x = 1,178,168.06 × 471,771.44 - Step 4: Simplify right side
853,744.65x = 555,826,033,978.51 - Step 5: Solve for x
x = 555,826,033,978.51/853,744.65 - Step 6: Final answer
x = 651,044.82
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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.