Finding the Fourth Proportional to 503,258.24, 694,515.48 and 288,439.76
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Solution
The fourth proportional to 503,258.24, 694,515.48 and 288,439.76 is: 398,057.82
Step by Step Solution
- Step 1: Write the proportion equation
503,258.24 : 694,515.48 = 288,439.76 : x - Step 2: Convert to fraction form
503,258.24/694,515.48 = 288,439.76/x - Step 3: Cross multiply
503,258.24x = 694,515.48 × 288,439.76 - Step 4: Simplify right side
503,258.24x = 200,325,878,367.49 - Step 5: Solve for x
x = 200,325,878,367.49/503,258.24 - Step 6: Final answer
x = 398,057.82
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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.