Finding the Fourth Proportional to 887,414.94, 1,330,782.21 and 698,247.54
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Solution
The fourth proportional to 887,414.94, 1,330,782.21 and 698,247.54 is: 1,047,103.63
Step by Step Solution
- Step 1: Write the proportion equation
887,414.94 : 1,330,782.21 = 698,247.54 : x - Step 2: Convert to fraction form
887,414.94/1,330,782.21 = 698,247.54/x - Step 3: Cross multiply
887,414.94x = 1,330,782.21 × 698,247.54 - Step 4: Simplify right side
887,414.94x = 929,215,404,408.26 - Step 5: Solve for x
x = 929,215,404,408.26/887,414.94 - Step 6: Final answer
x = 1,047,103.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.