Finding the Fourth Proportional to 904,651.06, 1,356,021.36 and 690,953.59
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Solution
The fourth proportional to 904,651.06, 1,356,021.36 and 690,953.59 is: 1,035,700.80
Step by Step Solution
- Step 1: Write the proportion equation
904,651.06 : 1,356,021.36 = 690,953.59 : x - Step 2: Convert to fraction form
904,651.06/1,356,021.36 = 690,953.59/x - Step 3: Cross multiply
904,651.06x = 1,356,021.36 × 690,953.59 - Step 4: Simplify right side
904,651.06x = 936,947,826,808.68 - Step 5: Solve for x
x = 936,947,826,808.68/904,651.06 - Step 6: Final answer
x = 1,035,700.80
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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.