Finding the Fourth Proportional to 491,508.90, 737,016.77 and 286,409.99
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Solution
The fourth proportional to 491,508.90, 737,016.77 and 286,409.99 is: 429,471.30
Step by Step Solution
- Step 1: Write the proportion equation
491,508.90 : 737,016.77 = 286,409.99 : x - Step 2: Convert to fraction form
491,508.90/737,016.77 = 286,409.99/x - Step 3: Cross multiply
491,508.90x = 737,016.77 × 286,409.99 - Step 4: Simplify right side
491,508.90x = 211,088,965,174.81 - Step 5: Solve for x
x = 211,088,965,174.81/491,508.90 - Step 6: Final answer
x = 429,471.30
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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.