Finding the Fourth Proportional to 725,754.15, 1,001,574.92 and 403,469.63
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Solution
The fourth proportional to 725,754.15, 1,001,574.92 and 403,469.63 is: 556,807.09
Step by Step Solution
- Step 1: Write the proportion equation
725,754.15 : 1,001,574.92 = 403,469.63 : x - Step 2: Convert to fraction form
725,754.15/1,001,574.92 = 403,469.63/x - Step 3: Cross multiply
725,754.15x = 1,001,574.92 × 403,469.63 - Step 4: Simplify right side
725,754.15x = 404,105,055,364.46 - Step 5: Solve for x
x = 404,105,055,364.46/725,754.15 - Step 6: Final answer
x = 556,807.09
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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.