Finding the Fourth Proportional to 738,867.54, 1,019,616.84 and 416,574.84
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Solution
The fourth proportional to 738,867.54, 1,019,616.84 and 416,574.84 is: 574,861.80
Step by Step Solution
- Step 1: Write the proportion equation
738,867.54 : 1,019,616.84 = 416,574.84 : x - Step 2: Convert to fraction form
738,867.54/1,019,616.84 = 416,574.84/x - Step 3: Cross multiply
738,867.54x = 1,019,616.84 × 416,574.84 - Step 4: Simplify right side
738,867.54x = 424,746,721,984.31 - Step 5: Solve for x
x = 424,746,721,984.31/738,867.54 - Step 6: Final answer
x = 574,861.80
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1.5x scale
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.