Finding the Fourth Proportional to 675,273.93, 1,012,536.97 and 276,194.95
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Solution
The fourth proportional to 675,273.93, 1,012,536.97 and 276,194.95 is: 414,139.48
Step by Step Solution
- Step 1: Write the proportion equation
675,273.93 : 1,012,536.97 = 276,194.95 : x - Step 2: Convert to fraction form
675,273.93/1,012,536.97 = 276,194.95/x - Step 3: Cross multiply
675,273.93x = 1,012,536.97 × 276,194.95 - Step 4: Simplify right side
675,273.93x = 279,657,594,580.47 - Step 5: Solve for x
x = 279,657,594,580.47/675,273.93 - Step 6: Final answer
x = 414,139.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.