Finding the Fourth Proportional to 460,872.57, 635,643.60 and 299,779.07
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Solution
The fourth proportional to 460,872.57, 635,643.60 and 299,779.07 is: 413,460.59
Step by Step Solution
- Step 1: Write the proportion equation
460,872.57 : 635,643.60 = 299,779.07 : x - Step 2: Convert to fraction form
460,872.57/635,643.60 = 299,779.07/x - Step 3: Cross multiply
460,872.57x = 635,643.60 × 299,779.07 - Step 4: Simplify right side
460,872.57x = 190,552,644,081.23 - Step 5: Solve for x
x = 190,552,644,081.23/460,872.57 - Step 6: Final answer
x = 413,460.59
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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.