Finding the Fourth Proportional to 579,091.92, 799,191.12 and 364,416
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Solution
The fourth proportional to 579,091.92, 799,191.12 and 364,416 is: 502,921.94
Step by Step Solution
- Step 1: Write the proportion equation
579,091.92 : 799,191.12 = 364,416 : x - Step 2: Convert to fraction form
579,091.92/799,191.12 = 364,416/x - Step 3: Cross multiply
579,091.92x = 799,191.12 × 364,416 - Step 4: Simplify right side
579,091.92x = 291,238,031,185.92 - Step 5: Solve for x
x = 291,238,031,185.92/579,091.92 - Step 6: Final answer
x = 502,921.94
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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.