Finding the Fourth Proportional to 558,649.36, 770,873.46 and 329,191.75
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Solution
The fourth proportional to 558,649.36, 770,873.46 and 329,191.75 is: 454,247.69
Step by Step Solution
- Step 1: Write the proportion equation
558,649.36 : 770,873.46 = 329,191.75 : x - Step 2: Convert to fraction form
558,649.36/770,873.46 = 329,191.75/x - Step 3: Cross multiply
558,649.36x = 770,873.46 × 329,191.75 - Step 4: Simplify right side
558,649.36x = 253,765,178,718.92 - Step 5: Solve for x
x = 253,765,178,718.92/558,649.36 - Step 6: Final answer
x = 454,247.69
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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.