Finding the Fourth Proportional to 518,520.96, 715,616.64 and 327,525.12
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Solution
The fourth proportional to 518,520.96, 715,616.64 and 327,525.12 is: 452,021.12
Step by Step Solution
- Step 1: Write the proportion equation
518,520.96 : 715,616.64 = 327,525.12 : x - Step 2: Convert to fraction form
518,520.96/715,616.64 = 327,525.12/x - Step 3: Cross multiply
518,520.96x = 715,616.64 × 327,525.12 - Step 4: Simplify right side
518,520.96x = 234,382,425,890.00 - Step 5: Solve for x
x = 234,382,425,890.00/518,520.96 - Step 6: Final answer
x = 452,021.12
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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.