Finding the Fourth Proportional to 828,965.80, 1,244,104.80 and 323,768.80
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Solution
The fourth proportional to 828,965.80, 1,244,104.80 and 323,768.80 is: 485,909.45
Step by Step Solution
- Step 1: Write the proportion equation
828,965.80 : 1,244,104.80 = 323,768.80 : x - Step 2: Convert to fraction form
828,965.80/1,244,104.80 = 323,768.80/x - Step 3: Cross multiply
828,965.80x = 1,244,104.80 × 323,768.80 - Step 4: Simplify right side
828,965.80x = 402,802,318,170.24 - Step 5: Solve for x
x = 402,802,318,170.24/828,965.80 - Step 6: Final answer
x = 485,909.45
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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.