Finding the Fourth Proportional to 542,520.99, 748,557.99 and 324,695.79
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Solution
The fourth proportional to 542,520.99, 748,557.99 and 324,695.79 is: 448,007.79
Step by Step Solution
- Step 1: Write the proportion equation
542,520.99 : 748,557.99 = 324,695.79 : x - Step 2: Convert to fraction form
542,520.99/748,557.99 = 324,695.79/x - Step 3: Cross multiply
542,520.99x = 748,557.99 × 324,695.79 - Step 4: Simplify right side
542,520.99x = 243,053,627,923.86 - Step 5: Solve for x
x = 243,053,627,923.86/542,520.99 - Step 6: Final answer
x = 448,007.79
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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.