Finding the Fourth Proportional to 558,520.80, 770,762.08 and 303,873.84
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Solution
The fourth proportional to 558,520.80, 770,762.08 and 303,873.84 is: 419,347.74
Step by Step Solution
- Step 1: Write the proportion equation
558,520.80 : 770,762.08 = 303,873.84 : x - Step 2: Convert to fraction form
558,520.80/770,762.08 = 303,873.84/x - Step 3: Cross multiply
558,520.80x = 770,762.08 × 303,873.84 - Step 4: Simplify right side
558,520.80x = 234,214,432,975.99 - Step 5: Solve for x
x = 234,214,432,975.99/558,520.80 - Step 6: Final answer
x = 419,347.74
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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.