Finding the Fourth Proportional to 626,654.97, 864,541.67 and 354,660.53
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Solution
The fourth proportional to 626,654.97, 864,541.67 and 354,660.53 is: 489,294.45
Step by Step Solution
- Step 1: Write the proportion equation
626,654.97 : 864,541.67 = 354,660.53 : x - Step 2: Convert to fraction form
626,654.97/864,541.67 = 354,660.53/x - Step 3: Cross multiply
626,654.97x = 864,541.67 × 354,660.53 - Step 4: Simplify right side
626,654.97x = 306,618,800,793.27 - Step 5: Solve for x
x = 306,618,800,793.27/626,654.97 - Step 6: Final answer
x = 489,294.45
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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.