Finding the Fourth Proportional to 618,782.99, 852,323.29 and 437,179.68
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Solution
The fourth proportional to 618,782.99, 852,323.29 and 437,179.68 is: 602,179.48
Step by Step Solution
- Step 1: Write the proportion equation
618,782.99 : 852,323.29 = 437,179.68 : x - Step 2: Convert to fraction form
618,782.99/852,323.29 = 437,179.68/x - Step 3: Cross multiply
618,782.99x = 852,323.29 × 437,179.68 - Step 4: Simplify right side
618,782.99x = 372,618,418,917.13 - Step 5: Solve for x
x = 372,618,418,917.13/618,782.99 - Step 6: Final answer
x = 602,179.48
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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.