Finding the Fourth Proportional to 657,136.05, 984,321.68 and 546,544.05
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Solution
The fourth proportional to 657,136.05, 984,321.68 and 546,544.05 is: 818,666.32
Step by Step Solution
- Step 1: Write the proportion equation
657,136.05 : 984,321.68 = 546,544.05 : x - Step 2: Convert to fraction form
657,136.05/984,321.68 = 546,544.05/x - Step 3: Cross multiply
657,136.05x = 984,321.68 × 546,544.05 - Step 4: Simplify right side
657,136.05x = 537,975,154,757.28 - Step 5: Solve for x
x = 537,975,154,757.28/657,136.05 - Step 6: Final answer
x = 818,666.32
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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.