Finding the Fourth Proportional to 444,921.08, 613,499.11 and 283,520.48
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Solution
The fourth proportional to 444,921.08, 613,499.11 and 283,520.48 is: 390,944.75
Step by Step Solution
- Step 1: Write the proportion equation
444,921.08 : 613,499.11 = 283,520.48 : x - Step 2: Convert to fraction form
444,921.08/613,499.11 = 283,520.48/x - Step 3: Cross multiply
444,921.08x = 613,499.11 × 283,520.48 - Step 4: Simplify right side
444,921.08x = 173,939,560,729.17 - Step 5: Solve for x
x = 173,939,560,729.17/444,921.08 - Step 6: Final answer
x = 390,944.75
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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.