Finding the Fourth Proportional to 697,388.99, 1,046,083.50 and 276,664.86
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Solution
The fourth proportional to 697,388.99, 1,046,083.50 and 276,664.86 is: 414,997.30
Step by Step Solution
- Step 1: Write the proportion equation
697,388.99 : 1,046,083.50 = 276,664.86 : x - Step 2: Convert to fraction form
697,388.99/1,046,083.50 = 276,664.86/x - Step 3: Cross multiply
697,388.99x = 1,046,083.50 × 276,664.86 - Step 4: Simplify right side
697,388.99x = 289,414,545,075.81 - Step 5: Solve for x
x = 289,414,545,075.81/697,388.99 - Step 6: Final answer
x = 414,997.30
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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.