Finding the Fourth Proportional to 633,548.56, 874,297.02 and 378,899.75
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Solution
The fourth proportional to 633,548.56, 874,297.02 and 378,899.75 is: 522,881.66
Step by Step Solution
- Step 1: Write the proportion equation
633,548.56 : 874,297.02 = 378,899.75 : x - Step 2: Convert to fraction form
633,548.56/874,297.02 = 378,899.75/x - Step 3: Cross multiply
633,548.56x = 874,297.02 × 378,899.75 - Step 4: Simplify right side
633,548.56x = 331,270,922,303.75 - Step 5: Solve for x
x = 331,270,922,303.75/633,548.56 - Step 6: Final answer
x = 522,881.66
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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.