Finding the Fourth Proportional to 884,811.12, 1,327,221.36 and 219,963.12
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Solution
The fourth proportional to 884,811.12, 1,327,221.36 and 219,963.12 is: 329,945.84
Step by Step Solution
- Step 1: Write the proportion equation
884,811.12 : 1,327,221.36 = 219,963.12 : x - Step 2: Convert to fraction form
884,811.12/1,327,221.36 = 219,963.12/x - Step 3: Cross multiply
884,811.12x = 1,327,221.36 × 219,963.12 - Step 4: Simplify right side
884,811.12x = 291,939,751,276.24 - Step 5: Solve for x
x = 291,939,751,276.24/884,811.12 - Step 6: Final answer
x = 329,945.84
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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.