Finding the Fourth Proportional to 725,767.08, 1,001,571.04 and 399,094.08
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Solution
The fourth proportional to 725,767.08, 1,001,571.04 and 399,094.08 is: 550,756.69
Step by Step Solution
- Step 1: Write the proportion equation
725,767.08 : 1,001,571.04 = 399,094.08 : x - Step 2: Convert to fraction form
725,767.08/1,001,571.04 = 399,094.08/x - Step 3: Cross multiply
725,767.08x = 1,001,571.04 × 399,094.08 - Step 4: Simplify right side
725,767.08x = 399,721,072,763.44 - Step 5: Solve for x
x = 399,721,072,763.44/725,767.08 - Step 6: Final answer
x = 550,756.69
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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.