Finding the Fourth Proportional to 919,519.01, 1,268,916.35 and 532,350.75
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Solution
The fourth proportional to 919,519.01, 1,268,916.35 and 532,350.75 is: 734,632.52
Step by Step Solution
- Step 1: Write the proportion equation
919,519.01 : 1,268,916.35 = 532,350.75 : x - Step 2: Convert to fraction form
919,519.01/1,268,916.35 = 532,350.75/x - Step 3: Cross multiply
919,519.01x = 1,268,916.35 × 532,350.75 - Step 4: Simplify right side
919,519.01x = 675,508,570,609.76 - Step 5: Solve for x
x = 675,508,570,609.76/919,519.01 - Step 6: Final answer
x = 734,632.52
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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.