Finding the Fourth Proportional to 512,940.44, 708,055.36 and 459,130.52
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Solution
The fourth proportional to 512,940.44, 708,055.36 and 459,130.52 is: 633,776.95
Step by Step Solution
- Step 1: Write the proportion equation
512,940.44 : 708,055.36 = 459,130.52 : x - Step 2: Convert to fraction form
512,940.44/708,055.36 = 459,130.52/x - Step 3: Cross multiply
512,940.44x = 708,055.36 × 459,130.52 - Step 4: Simplify right side
512,940.44x = 325,089,825,625.59 - Step 5: Solve for x
x = 325,089,825,625.59/512,940.44 - Step 6: Final answer
x = 633,776.95
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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.