Finding the Fourth Proportional to 613,008.91, 845,938.99 and 354,896.74
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Solution
The fourth proportional to 613,008.91, 845,938.99 and 354,896.74 is: 489,749.80
Step by Step Solution
- Step 1: Write the proportion equation
613,008.91 : 845,938.99 = 354,896.74 : x - Step 2: Convert to fraction form
613,008.91/845,938.99 = 354,896.74/x - Step 3: Cross multiply
613,008.91x = 845,938.99 × 354,896.74 - Step 4: Simplify right side
613,008.91x = 300,220,991,290.94 - Step 5: Solve for x
x = 300,220,991,290.94/613,008.91 - Step 6: Final answer
x = 489,749.80
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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.