Finding the Fourth Proportional to 899,534.10, 1,349,102.40 and 259,698.84
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Solution
The fourth proportional to 899,534.10, 1,349,102.40 and 259,698.84 is: 389,490.88
Step by Step Solution
- Step 1: Write the proportion equation
899,534.10 : 1,349,102.40 = 259,698.84 : x - Step 2: Convert to fraction form
899,534.10/1,349,102.40 = 259,698.84/x - Step 3: Cross multiply
899,534.10x = 1,349,102.40 × 259,698.84 - Step 4: Simplify right side
899,534.10x = 350,360,328,321.22 - Step 5: Solve for x
x = 350,360,328,321.22/899,534.10 - Step 6: Final answer
x = 389,490.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.