Finding the Fourth Proportional to 759,163.41, 1,047,609.32 and 415,017.09
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Solution
The fourth proportional to 759,163.41, 1,047,609.32 and 415,017.09 is: 572,703.80
Step by Step Solution
- Step 1: Write the proportion equation
759,163.41 : 1,047,609.32 = 415,017.09 : x - Step 2: Convert to fraction form
759,163.41/1,047,609.32 = 415,017.09/x - Step 3: Cross multiply
759,163.41x = 1,047,609.32 × 415,017.09 - Step 4: Simplify right side
759,163.41x = 434,775,769,368.19 - Step 5: Solve for x
x = 434,775,769,368.19/759,163.41 - Step 6: Final answer
x = 572,703.80
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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.