Finding the Fourth Proportional to 919,076.93, 1,268,237.32 and 531,815.12
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Solution
The fourth proportional to 919,076.93, 1,268,237.32 and 531,815.12 is: 733,853.46
Step by Step Solution
- Step 1: Write the proportion equation
919,076.93 : 1,268,237.32 = 531,815.12 : x - Step 2: Convert to fraction form
919,076.93/1,268,237.32 = 531,815.12/x - Step 3: Cross multiply
919,076.93x = 1,268,237.32 × 531,815.12 - Step 4: Simplify right side
919,076.93x = 674,467,779,609.44 - Step 5: Solve for x
x = 674,467,779,609.44/919,076.93 - Step 6: Final answer
x = 733,853.46
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1.5x scale
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.