Finding the Fourth Proportional to 907,406.55, 1,360,441.98 and 308,206.62
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Solution
The fourth proportional to 907,406.55, 1,360,441.98 and 308,206.62 is: 462,083.09
Step by Step Solution
- Step 1: Write the proportion equation
907,406.55 : 1,360,441.98 = 308,206.62 : x - Step 2: Convert to fraction form
907,406.55/1,360,441.98 = 308,206.62/x - Step 3: Cross multiply
907,406.55x = 1,360,441.98 × 308,206.62 - Step 4: Simplify right side
907,406.55x = 419,297,224,361.91 - Step 5: Solve for x
x = 419,297,224,361.91/907,406.55 - Step 6: Final answer
x = 462,083.09
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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.