Finding the Fourth Proportional to 519,258.20, 778,887.30 and 294,531.80
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Solution
The fourth proportional to 519,258.20, 778,887.30 and 294,531.80 is: 441,797.70
Step by Step Solution
- Step 1: Write the proportion equation
519,258.20 : 778,887.30 = 294,531.80 : x - Step 2: Convert to fraction form
519,258.20/778,887.30 = 294,531.80/x - Step 3: Cross multiply
519,258.20x = 778,887.30 × 294,531.80 - Step 4: Simplify right side
519,258.20x = 229,407,078,466.14 - Step 5: Solve for x
x = 229,407,078,466.14/519,258.20 - Step 6: Final answer
x = 441,797.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.