Finding the Fourth Proportional to 738,664.98, 1,019,343.33 and 416,368.95
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Solution
The fourth proportional to 738,664.98, 1,019,343.33 and 416,368.95 is: 574,581.07
Step by Step Solution
- Step 1: Write the proportion equation
738,664.98 : 1,019,343.33 = 416,368.95 : x - Step 2: Convert to fraction form
738,664.98/1,019,343.33 = 416,368.95/x - Step 3: Cross multiply
738,664.98x = 1,019,343.33 × 416,368.95 - Step 4: Simplify right side
738,664.98x = 424,422,912,001.60 - Step 5: Solve for x
x = 424,422,912,001.60/738,664.98 - Step 6: Final answer
x = 574,581.07
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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.