Finding the Fourth Proportional to 725,345.28, 1,087,395.84 and 251,735.04
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Solution
The fourth proportional to 725,345.28, 1,087,395.84 and 251,735.04 is: 377,386.66
Step by Step Solution
- Step 1: Write the proportion equation
725,345.28 : 1,087,395.84 = 251,735.04 : x - Step 2: Convert to fraction form
725,345.28/1,087,395.84 = 251,735.04/x - Step 3: Cross multiply
725,345.28x = 1,087,395.84 × 251,735.04 - Step 4: Simplify right side
725,345.28x = 273,735,635,278.23 - Step 5: Solve for x
x = 273,735,635,278.23/725,345.28 - Step 6: Final answer
x = 377,386.66
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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.