Finding the Fourth Proportional to 827,829.14, 1,240,705.47 and 353,958.26
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Solution
The fourth proportional to 827,829.14, 1,240,705.47 and 353,958.26 is: 530,493.47
Step by Step Solution
- Step 1: Write the proportion equation
827,829.14 : 1,240,705.47 = 353,958.26 : x - Step 2: Convert to fraction form
827,829.14/1,240,705.47 = 353,958.26/x - Step 3: Cross multiply
827,829.14x = 1,240,705.47 × 353,958.26 - Step 4: Simplify right side
827,829.14x = 439,157,949,333.68 - Step 5: Solve for x
x = 439,157,949,333.68/827,829.14 - Step 6: Final answer
x = 530,493.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.