Finding the Fourth Proportional to 618,783.99, 852,324.67 and 437,180.68
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Solution
The fourth proportional to 618,783.99, 852,324.67 and 437,180.68 is: 602,180.87
Step by Step Solution
- Step 1: Write the proportion equation
618,783.99 : 852,324.67 = 437,180.68 : x - Step 2: Convert to fraction form
618,783.99/852,324.67 = 437,180.68/x - Step 3: Cross multiply
618,783.99x = 852,324.67 × 437,180.68 - Step 4: Simplify right side
618,783.99x = 372,619,878,811.38 - Step 5: Solve for x
x = 372,619,878,811.38/618,783.99 - Step 6: Final answer
x = 602,180.87
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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.