Finding the Fourth Proportional to 526,438.22, 726,484.73 and 284,720.81
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Solution
The fourth proportional to 526,438.22, 726,484.73 and 284,720.81 is: 392,914.70
Step by Step Solution
- Step 1: Write the proportion equation
526,438.22 : 726,484.73 = 284,720.81 : x - Step 2: Convert to fraction form
526,438.22/726,484.73 = 284,720.81/x - Step 3: Cross multiply
526,438.22x = 726,484.73 × 284,720.81 - Step 4: Simplify right side
526,438.22x = 206,845,315,722.20 - Step 5: Solve for x
x = 206,845,315,722.20/526,438.22 - Step 6: Final answer
x = 392,914.70
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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.