Finding the Fourth Proportional to 558,509.76, 770,739.96 and 303,862.08
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Solution
The fourth proportional to 558,509.76, 770,739.96 and 303,862.08 is: 419,327.76
Step by Step Solution
- Step 1: Write the proportion equation
558,509.76 : 770,739.96 = 303,862.08 : x - Step 2: Convert to fraction form
558,509.76/770,739.96 = 303,862.08/x - Step 3: Cross multiply
558,509.76x = 770,739.96 × 303,862.08 - Step 4: Simplify right side
558,509.76x = 234,198,647,384.72 - Step 5: Solve for x
x = 234,198,647,384.72/558,509.76 - Step 6: Final answer
x = 419,327.76
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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.