Finding the Fourth Proportional to 424,986.14, 634,369.85 and 374,542.31
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Solution
The fourth proportional to 424,986.14, 634,369.85 and 374,542.31 is: 559,073.17
Step by Step Solution
- Step 1: Write the proportion equation
424,986.14 : 634,369.85 = 374,542.31 : x - Step 2: Convert to fraction form
424,986.14/634,369.85 = 374,542.31/x - Step 3: Cross multiply
424,986.14x = 634,369.85 × 374,542.31 - Step 4: Simplify right side
424,986.14x = 237,598,346,491.07 - Step 5: Solve for x
x = 237,598,346,491.07/424,986.14 - Step 6: Final answer
x = 559,073.17
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.