Finding the Fourth Proportional to 808,021.10, 1,115,072.10 and 440,496.15
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Solution
The fourth proportional to 808,021.10, 1,115,072.10 and 440,496.15 is: 607,886.32
Step by Step Solution
- Step 1: Write the proportion equation
808,021.10 : 1,115,072.10 = 440,496.15 : x - Step 2: Convert to fraction form
808,021.10/1,115,072.10 = 440,496.15/x - Step 3: Cross multiply
808,021.10x = 1,115,072.10 × 440,496.15 - Step 4: Simplify right side
808,021.10x = 491,184,967,022.42 - Step 5: Solve for x
x = 491,184,967,022.42/808,021.10 - Step 6: Final answer
x = 607,886.32
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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.