Finding the Fourth Proportional to 558,782.92, 771,120.36 and 304,135.96
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Solution
The fourth proportional to 558,782.92, 771,120.36 and 304,135.96 is: 419,707.59
Step by Step Solution
- Step 1: Write the proportion equation
558,782.92 : 771,120.36 = 304,135.96 : x - Step 2: Convert to fraction form
558,782.92/771,120.36 = 304,135.96/x - Step 3: Cross multiply
558,782.92x = 771,120.36 × 304,135.96 - Step 4: Simplify right side
558,782.92x = 234,525,430,964.15 - Step 5: Solve for x
x = 234,525,430,964.15/558,782.92 - Step 6: Final answer
x = 419,707.59
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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.