Finding the Fourth Proportional to 862,879.93, 1,294,701.16 and 452,451.23
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Solution
The fourth proportional to 862,879.93, 1,294,701.16 and 452,451.23 is: 678,876.75
Step by Step Solution
- Step 1: Write the proportion equation
862,879.93 : 1,294,701.16 = 452,451.23 : x - Step 2: Convert to fraction form
862,879.93/1,294,701.16 = 452,451.23/x - Step 3: Cross multiply
862,879.93x = 1,294,701.16 × 452,451.23 - Step 4: Simplify right side
862,879.93x = 585,789,127,995.70 - Step 5: Solve for x
x = 585,789,127,995.70/862,879.93 - Step 6: Final answer
x = 678,876.75
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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.