Finding the Fourth Proportional to 802,548.14, 1,107,509.37 and 439,965.41
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Solution
The fourth proportional to 802,548.14, 1,107,509.37 and 439,965.41 is: 607,148.39
Step by Step Solution
- Step 1: Write the proportion equation
802,548.14 : 1,107,509.37 = 439,965.41 : x - Step 2: Convert to fraction form
802,548.14/1,107,509.37 = 439,965.41/x - Step 3: Cross multiply
802,548.14x = 1,107,509.37 × 439,965.41 - Step 4: Simplify right side
802,548.14x = 487,265,814,050.89 - Step 5: Solve for x
x = 487,265,814,050.89/802,548.14 - Step 6: Final answer
x = 607,148.39
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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.