Finding the Fourth Proportional to 911,728.97, 1,258,181.16 and 503,859.14
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Solution
The fourth proportional to 911,728.97, 1,258,181.16 and 503,859.14 is: 695,322.95
Step by Step Solution
- Step 1: Write the proportion equation
911,728.97 : 1,258,181.16 = 503,859.14 : x - Step 2: Convert to fraction form
911,728.97/1,258,181.16 = 503,859.14/x - Step 3: Cross multiply
911,728.97x = 1,258,181.16 × 503,859.14 - Step 4: Simplify right side
911,728.97x = 633,946,077,241.80 - Step 5: Solve for x
x = 633,946,077,241.80/911,728.97 - Step 6: Final answer
x = 695,322.95
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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.