Finding the Fourth Proportional to 464,629.77, 640,952.73 and 303,579.09
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Solution
The fourth proportional to 464,629.77, 640,952.73 and 303,579.09 is: 418,784.72
Step by Step Solution
- Step 1: Write the proportion equation
464,629.77 : 640,952.73 = 303,579.09 : x - Step 2: Convert to fraction form
464,629.77/640,952.73 = 303,579.09/x - Step 3: Cross multiply
464,629.77x = 640,952.73 × 303,579.09 - Step 4: Simplify right side
464,629.77x = 194,579,846,506.42 - Step 5: Solve for x
x = 194,579,846,506.42/464,629.77 - Step 6: Final answer
x = 418,784.72
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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.