Finding the Fourth Proportional to 883,476.24, 1,219,170.40 and 491,007.84
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Solution
The fourth proportional to 883,476.24, 1,219,170.40 and 491,007.84 is: 677,575.92
Step by Step Solution
- Step 1: Write the proportion equation
883,476.24 : 1,219,170.40 = 491,007.84 : x - Step 2: Convert to fraction form
883,476.24/1,219,170.40 = 491,007.84/x - Step 3: Cross multiply
883,476.24x = 1,219,170.40 × 491,007.84 - Step 4: Simplify right side
883,476.24x = 598,622,224,695.94 - Step 5: Solve for x
x = 598,622,224,695.94/883,476.24 - Step 6: Final answer
x = 677,575.92
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1.5x scale
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.