Finding the Fourth Proportional to 664,078.84, 916,427.64 and 362,272.84
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Solution
The fourth proportional to 664,078.84, 916,427.64 and 362,272.84 is: 499,935.89
Step by Step Solution
- Step 1: Write the proportion equation
664,078.84 : 916,427.64 = 362,272.84 : x - Step 2: Convert to fraction form
664,078.84/916,427.64 = 362,272.84/x - Step 3: Cross multiply
664,078.84x = 916,427.64 × 362,272.84 - Step 4: Simplify right side
664,078.84x = 331,996,843,797.30 - Step 5: Solve for x
x = 331,996,843,797.30/664,078.84 - Step 6: Final answer
x = 499,935.89
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1.5x scale
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.