Finding the Fourth Proportional to 975,383.10, 1,463,074.65 and 415,511.10
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Solution
The fourth proportional to 975,383.10, 1,463,074.65 and 415,511.10 is: 623,266.65
Step by Step Solution
- Step 1: Write the proportion equation
975,383.10 : 1,463,074.65 = 415,511.10 : x - Step 2: Convert to fraction form
975,383.10/1,463,074.65 = 415,511.10/x - Step 3: Cross multiply
975,383.10x = 1,463,074.65 × 415,511.10 - Step 4: Simplify right side
975,383.10x = 607,923,757,203.62 - Step 5: Solve for x
x = 607,923,757,203.62/975,383.10 - Step 6: Final answer
x = 623,266.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.