Finding the Fourth Proportional to 814,728.23, 1,125,258.12 and 536,568.90
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Solution
The fourth proportional to 814,728.23, 1,125,258.12 and 536,568.90 is: 741,079.65
Step by Step Solution
- Step 1: Write the proportion equation
814,728.23 : 1,125,258.12 = 536,568.90 : x - Step 2: Convert to fraction form
814,728.23/1,125,258.12 = 536,568.90/x - Step 3: Cross multiply
814,728.23x = 1,125,258.12 × 536,568.90 - Step 4: Simplify right side
814,728.23x = 603,778,508,981.62 - Step 5: Solve for x
x = 603,778,508,981.62/814,728.23 - Step 6: Final answer
x = 741,079.65
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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.