Finding the Fourth Proportional to 980,370.40, 1,471,814.98 and 755,873.44
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Solution
The fourth proportional to 980,370.40, 1,471,814.98 and 755,873.44 is: 1,134,781.15
Step by Step Solution
- Step 1: Write the proportion equation
980,370.40 : 1,471,814.98 = 755,873.44 : x - Step 2: Convert to fraction form
980,370.40/1,471,814.98 = 755,873.44/x - Step 3: Cross multiply
980,370.40x = 1,471,814.98 × 755,873.44 - Step 4: Simplify right side
980,370.40x = 1,112,505,851,976.13 - Step 5: Solve for x
x = 1,112,505,851,976.13/980,370.40 - Step 6: Final answer
x = 1,134,781.15
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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.