Finding the Fourth Proportional to 911,728.85, 1,258,180.99 and 503,859.02
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Solution
The fourth proportional to 911,728.85, 1,258,180.99 and 503,859.02 is: 695,322.78
Step by Step Solution
- Step 1: Write the proportion equation
911,728.85 : 1,258,180.99 = 503,859.02 : x - Step 2: Convert to fraction form
911,728.85/1,258,180.99 = 503,859.02/x - Step 3: Cross multiply
911,728.85x = 1,258,180.99 × 503,859.02 - Step 4: Simplify right side
911,728.85x = 633,945,834,313.13 - Step 5: Solve for x
x = 633,945,834,313.13/911,728.85 - Step 6: Final answer
x = 695,322.78
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.