Finding the Fourth Proportional to 664,912.08, 916,955.82 and 529,393.38
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Solution
The fourth proportional to 664,912.08, 916,955.82 and 529,393.38 is: 730,066.96
Step by Step Solution
- Step 1: Write the proportion equation
664,912.08 : 916,955.82 = 529,393.38 : x - Step 2: Convert to fraction form
664,912.08/916,955.82 = 529,393.38/x - Step 3: Cross multiply
664,912.08x = 916,955.82 × 529,393.38 - Step 4: Simplify right side
664,912.08x = 485,430,340,860.47 - Step 5: Solve for x
x = 485,430,340,860.47/664,912.08 - Step 6: Final answer
x = 730,066.96
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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.