Finding the Fourth Proportional to 911,771.97, 1,258,293.48 and 549,309.93
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Solution
The fourth proportional to 911,771.97, 1,258,293.48 and 549,309.93 is: 758,076.71
Step by Step Solution
- Step 1: Write the proportion equation
911,771.97 : 1,258,293.48 = 549,309.93 : x - Step 2: Convert to fraction form
911,771.97/1,258,293.48 = 549,309.93/x - Step 3: Cross multiply
911,771.97x = 1,258,293.48 × 549,309.93 - Step 4: Simplify right side
911,771.97x = 691,193,094,380.24 - Step 5: Solve for x
x = 691,193,094,380.24/911,771.97 - Step 6: Final answer
x = 758,076.71
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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.