Finding the Fourth Proportional to 635,830.56, 877,445.46 and 349,349.94
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Solution
The fourth proportional to 635,830.56, 877,445.46 and 349,349.94 is: 482,102.53
Step by Step Solution
- Step 1: Write the proportion equation
635,830.56 : 877,445.46 = 349,349.94 : x - Step 2: Convert to fraction form
635,830.56/877,445.46 = 349,349.94/x - Step 3: Cross multiply
635,830.56x = 877,445.46 × 349,349.94 - Step 4: Simplify right side
635,830.56x = 306,535,518,804.27 - Step 5: Solve for x
x = 306,535,518,804.27/635,830.56 - Step 6: Final answer
x = 482,102.53
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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.