Finding the Fourth Proportional to 691,107.05, 1,036,660.58 and 573,009.05
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Solution
The fourth proportional to 691,107.05, 1,036,660.58 and 573,009.05 is: 859,513.58
Step by Step Solution
- Step 1: Write the proportion equation
691,107.05 : 1,036,660.58 = 573,009.05 : x - Step 2: Convert to fraction form
691,107.05/1,036,660.58 = 573,009.05/x - Step 3: Cross multiply
691,107.05x = 1,036,660.58 × 573,009.05 - Step 4: Simplify right side
691,107.05x = 594,015,894,118.25 - Step 5: Solve for x
x = 594,015,894,118.25/691,107.05 - Step 6: Final answer
x = 859,513.58
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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.