Finding the Fourth Proportional to 679,368.96, 937,543.68 and 377,556.48
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Solution
The fourth proportional to 679,368.96, 937,543.68 and 377,556.48 is: 521,036.01
Step by Step Solution
- Step 1: Write the proportion equation
679,368.96 : 937,543.68 = 377,556.48 : x - Step 2: Convert to fraction form
679,368.96/937,543.68 = 377,556.48/x - Step 3: Cross multiply
679,368.96x = 937,543.68 × 377,556.48 - Step 4: Simplify right side
679,368.96x = 353,975,691,667.05 - Step 5: Solve for x
x = 353,975,691,667.05/679,368.96 - Step 6: Final answer
x = 521,036.01
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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.