Finding the Fourth Proportional to 853,750.36, 1,178,175.90 and 471,777.13
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Solution
The fourth proportional to 853,750.36, 1,178,175.90 and 471,777.13 is: 651,052.66
Step by Step Solution
- Step 1: Write the proportion equation
853,750.36 : 1,178,175.90 = 471,777.13 : x - Step 2: Convert to fraction form
853,750.36/1,178,175.90 = 471,777.13/x - Step 3: Cross multiply
853,750.36x = 1,178,175.90 × 471,777.13 - Step 4: Simplify right side
853,750.36x = 555,836,444,737.17 - Step 5: Solve for x
x = 555,836,444,737.17/853,750.36 - Step 6: Final answer
x = 651,052.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.