Finding the Fourth Proportional to 626,766.65, 864,958.67 and 354,828.99
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Solution
The fourth proportional to 626,766.65, 864,958.67 and 354,828.99 is: 489,675.72
Step by Step Solution
- Step 1: Write the proportion equation
626,766.65 : 864,958.67 = 354,828.99 : x - Step 2: Convert to fraction form
626,766.65/864,958.67 = 354,828.99/x - Step 3: Cross multiply
626,766.65x = 864,958.67 × 354,828.99 - Step 4: Simplify right side
626,766.65x = 306,912,411,267.84 - Step 5: Solve for x
x = 306,912,411,267.84/626,766.65 - Step 6: Final answer
x = 489,675.72
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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.