Finding the Fourth Proportional to 827,873.55, 1,240,771.50 and 354,001.68
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Solution
The fourth proportional to 827,873.55, 1,240,771.50 and 354,001.68 is: 530,558.31
Step by Step Solution
- Step 1: Write the proportion equation
827,873.55 : 1,240,771.50 = 354,001.68 : x - Step 2: Convert to fraction form
827,873.55/1,240,771.50 = 354,001.68/x - Step 3: Cross multiply
827,873.55x = 1,240,771.50 × 354,001.68 - Step 4: Simplify right side
827,873.55x = 439,235,195,496.12 - Step 5: Solve for x
x = 439,235,195,496.12/827,873.55 - Step 6: Final answer
x = 530,558.31
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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.