Finding the Fourth Proportional to 605,717.14, 907,571.30 and 368,341.78
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Solution
The fourth proportional to 605,717.14, 907,571.30 and 368,341.78 is: 551,901.88
Step by Step Solution
- Step 1: Write the proportion equation
605,717.14 : 907,571.30 = 368,341.78 : x - Step 2: Convert to fraction form
605,717.14/907,571.30 = 368,341.78/x - Step 3: Cross multiply
605,717.14x = 907,571.30 × 368,341.78 - Step 4: Simplify right side
605,717.14x = 334,296,428,118.91 - Step 5: Solve for x
x = 334,296,428,118.91/605,717.14 - Step 6: Final answer
x = 551,901.88
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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.