Finding the Fourth Proportional to 503,207.92, 694,417.08 and 276,857.20
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Solution
The fourth proportional to 503,207.92, 694,417.08 and 276,857.20 is: 382,057.52
Step by Step Solution
- Step 1: Write the proportion equation
503,207.92 : 694,417.08 = 276,857.20 : x - Step 2: Convert to fraction form
503,207.92/694,417.08 = 276,857.20/x - Step 3: Cross multiply
503,207.92x = 694,417.08 × 276,857.20 - Step 4: Simplify right side
503,207.92x = 192,254,368,400.98 - Step 5: Solve for x
x = 192,254,368,400.98/503,207.92 - Step 6: Final answer
x = 382,057.52
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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.