Finding the Fourth Proportional to 635,797.86, 877,356.81 and 349,330.02
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Solution
The fourth proportional to 635,797.86, 877,356.81 and 349,330.02 is: 482,051.12
Step by Step Solution
- Step 1: Write the proportion equation
635,797.86 : 877,356.81 = 349,330.02 : x - Step 2: Convert to fraction form
635,797.86/877,356.81 = 349,330.02/x - Step 3: Cross multiply
635,797.86x = 877,356.81 × 349,330.02 - Step 4: Simplify right side
635,797.86x = 306,487,071,984.44 - Step 5: Solve for x
x = 306,487,071,984.44/635,797.86 - Step 6: Final answer
x = 482,051.12
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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.