Finding the Fourth Proportional to 725,192.28, 1,087,480.88 and 345,673.98
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Solution
The fourth proportional to 725,192.28, 1,087,480.88 and 345,673.98 is: 518,364.37
Step by Step Solution
- Step 1: Write the proportion equation
725,192.28 : 1,087,480.88 = 345,673.98 : x - Step 2: Convert to fraction form
725,192.28/1,087,480.88 = 345,673.98/x - Step 3: Cross multiply
725,192.28x = 1,087,480.88 × 345,673.98 - Step 4: Simplify right side
725,192.28x = 375,913,842,235.13 - Step 5: Solve for x
x = 375,913,842,235.13/725,192.28 - Step 6: Final answer
x = 518,364.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.