Finding the Fourth Proportional to 679,537.36, 937,779.56 and 373,626.52
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Solution
The fourth proportional to 679,537.36, 937,779.56 and 373,626.52 is: 515,614.50
Step by Step Solution
- Step 1: Write the proportion equation
679,537.36 : 937,779.56 = 373,626.52 : x - Step 2: Convert to fraction form
679,537.36/937,779.56 = 373,626.52/x - Step 3: Cross multiply
679,537.36x = 937,779.56 × 373,626.52 - Step 4: Simplify right side
679,537.36x = 350,379,313,529.93 - Step 5: Solve for x
x = 350,379,313,529.93/679,537.36 - Step 6: Final answer
x = 515,614.50
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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.