Finding the Fourth Proportional to 725,207.84, 1,087,803.66 and 440,976.68
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Solution
The fourth proportional to 725,207.84, 1,087,803.66 and 440,976.68 is: 661,460.09
Step by Step Solution
- Step 1: Write the proportion equation
725,207.84 : 1,087,803.66 = 440,976.68 : x - Step 2: Convert to fraction form
725,207.84/1,087,803.66 = 440,976.68/x - Step 3: Cross multiply
725,207.84x = 1,087,803.66 × 440,976.68 - Step 4: Simplify right side
725,207.84x = 479,696,046,478.65 - Step 5: Solve for x
x = 479,696,046,478.65/725,207.84 - Step 6: Final answer
x = 661,460.09
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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.