Finding the Fourth Proportional to 783,798.08, 1,081,725.94 and 444,229.88
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Solution
The fourth proportional to 783,798.08, 1,081,725.94 and 444,229.88 is: 613,085.18
Step by Step Solution
- Step 1: Write the proportion equation
783,798.08 : 1,081,725.94 = 444,229.88 : x - Step 2: Convert to fraction form
783,798.08/1,081,725.94 = 444,229.88/x - Step 3: Cross multiply
783,798.08x = 1,081,725.94 × 444,229.88 - Step 4: Simplify right side
783,798.08x = 480,534,984,519.09 - Step 5: Solve for x
x = 480,534,984,519.09/783,798.08 - Step 6: Final answer
x = 613,085.18
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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.