Finding the Fourth Proportional to 522,695.09, 721,539.42 and 353,158.85
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Solution
The fourth proportional to 522,695.09, 721,539.42 and 353,158.85 is: 487,507.99
Step by Step Solution
- Step 1: Write the proportion equation
522,695.09 : 721,539.42 = 353,158.85 : x - Step 2: Convert to fraction form
522,695.09/721,539.42 = 353,158.85/x - Step 3: Cross multiply
522,695.09x = 721,539.42 × 353,158.85 - Step 4: Simplify right side
522,695.09x = 254,818,031,796.87 - Step 5: Solve for x
x = 254,818,031,796.87/522,695.09 - Step 6: Final answer
x = 487,507.99
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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.