Finding the Fourth Proportional to 497,010.36, 685,903.12 and 374,283.02
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Solution
The fourth proportional to 497,010.36, 685,903.12 and 374,283.02 is: 516,532.27
Step by Step Solution
- Step 1: Write the proportion equation
497,010.36 : 685,903.12 = 374,283.02 : x - Step 2: Convert to fraction form
497,010.36/685,903.12 = 374,283.02/x - Step 3: Cross multiply
497,010.36x = 685,903.12 × 374,283.02 - Step 4: Simplify right side
497,010.36x = 256,721,891,181.02 - Step 5: Solve for x
x = 256,721,891,181.02/497,010.36 - Step 6: Final answer
x = 516,532.27
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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.