Finding the Fourth Proportional to 680,879.76, 1,021,454.21 and 201,115.91
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Solution
The fourth proportional to 680,879.76, 1,021,454.21 and 201,115.91 is: 301,713.62
Step by Step Solution
- Step 1: Write the proportion equation
680,879.76 : 1,021,454.21 = 201,115.91 : x - Step 2: Convert to fraction form
680,879.76/1,021,454.21 = 201,115.91/x - Step 3: Cross multiply
680,879.76x = 1,021,454.21 × 201,115.91 - Step 4: Simplify right side
680,879.76x = 205,430,696,023.91 - Step 5: Solve for x
x = 205,430,696,023.91/680,879.76 - Step 6: Final answer
x = 301,713.62
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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.