Finding the Fourth Proportional to 725,693.76, 1,088,544.11 and 220,259.13
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Solution
The fourth proportional to 725,693.76, 1,088,544.11 and 220,259.13 is: 330,389.75
Step by Step Solution
- Step 1: Write the proportion equation
725,693.76 : 1,088,544.11 = 220,259.13 : x - Step 2: Convert to fraction form
725,693.76/1,088,544.11 = 220,259.13/x - Step 3: Cross multiply
725,693.76x = 1,088,544.11 × 220,259.13 - Step 4: Simplify right side
725,693.76x = 239,761,777,533.93 - Step 5: Solve for x
x = 239,761,777,533.93/725,693.76 - Step 6: Final answer
x = 330,389.75
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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.