Finding the Fourth Proportional to 558,854.75, 771,219.65 and 304,207.85
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Solution
The fourth proportional to 558,854.75, 771,219.65 and 304,207.85 is: 419,806.88
Step by Step Solution
- Step 1: Write the proportion equation
558,854.75 : 771,219.65 = 304,207.85 : x - Step 2: Convert to fraction form
558,854.75/771,219.65 = 304,207.85/x - Step 3: Cross multiply
558,854.75x = 771,219.65 × 304,207.85 - Step 4: Simplify right side
558,854.75x = 234,611,071,604.25 - Step 5: Solve for x
x = 234,611,071,604.25/558,854.75 - Step 6: Final answer
x = 419,806.88
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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.