Finding the Fourth Proportional to 836,453.98, 1,154,316.99 and 454,487.14
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Solution
The fourth proportional to 836,453.98, 1,154,316.99 and 454,487.14 is: 627,197.96
Step by Step Solution
- Step 1: Write the proportion equation
836,453.98 : 1,154,316.99 = 454,487.14 : x - Step 2: Convert to fraction form
836,453.98/1,154,316.99 = 454,487.14/x - Step 3: Cross multiply
836,453.98x = 1,154,316.99 × 454,487.14 - Step 4: Simplify right side
836,453.98x = 524,622,227,438.51 - Step 5: Solve for x
x = 524,622,227,438.51/836,453.98 - Step 6: Final answer
x = 627,197.96
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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.