Finding the Fourth Proportional to 685,447.14, 945,928.74 and 375,376.98
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Solution
The fourth proportional to 685,447.14, 945,928.74 and 375,376.98 is: 518,026.63
Step by Step Solution
- Step 1: Write the proportion equation
685,447.14 : 945,928.74 = 375,376.98 : x - Step 2: Convert to fraction form
685,447.14/945,928.74 = 375,376.98/x - Step 3: Cross multiply
685,447.14x = 945,928.74 × 375,376.98 - Step 4: Simplify right side
685,447.14x = 355,079,873,716.41 - Step 5: Solve for x
x = 355,079,873,716.41/685,447.14 - Step 6: Final answer
x = 518,026.63
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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.