Finding the Fourth Proportional to 869,132.99, 1,199,406.19 and 481,975.67
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Solution
The fourth proportional to 869,132.99, 1,199,406.19 and 481,975.67 is: 665,127.90
Step by Step Solution
- Step 1: Write the proportion equation
869,132.99 : 1,199,406.19 = 481,975.67 : x - Step 2: Convert to fraction form
869,132.99/1,199,406.19 = 481,975.67/x - Step 3: Cross multiply
869,132.99x = 1,199,406.19 × 481,975.67 - Step 4: Simplify right side
869,132.99x = 578,084,594,825.43 - Step 5: Solve for x
x = 578,084,594,825.43/869,132.99 - Step 6: Final answer
x = 665,127.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.