Finding the Fourth Proportional to 558,181.24, 770,509.22 and 395,687.07
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Solution
The fourth proportional to 558,181.24, 770,509.22 and 395,687.07 is: 546,203.48
Step by Step Solution
- Step 1: Write the proportion equation
558,181.24 : 770,509.22 = 395,687.07 : x - Step 2: Convert to fraction form
558,181.24/770,509.22 = 395,687.07/x - Step 3: Cross multiply
558,181.24x = 770,509.22 × 395,687.07 - Step 4: Simplify right side
558,181.24x = 304,880,535,669.79 - Step 5: Solve for x
x = 304,880,535,669.79/558,181.24 - Step 6: Final answer
x = 546,203.48
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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.