Finding the Fourth Proportional to 579,359.70, 799,525.99 and 321,247.53
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Solution
The fourth proportional to 579,359.70, 799,525.99 and 321,247.53 is: 443,326.92
Step by Step Solution
- Step 1: Write the proportion equation
579,359.70 : 799,525.99 = 321,247.53 : x - Step 2: Convert to fraction form
579,359.70/799,525.99 = 321,247.53/x - Step 3: Cross multiply
579,359.70x = 799,525.99 × 321,247.53 - Step 4: Simplify right side
579,359.70x = 256,845,749,859.86 - Step 5: Solve for x
x = 256,845,749,859.86/579,359.70 - Step 6: Final answer
x = 443,326.92
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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.