Finding the Fourth Proportional to 702,453.70, 1,053,562.69 and 253,090.81
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Solution
The fourth proportional to 702,453.70, 1,053,562.69 and 253,090.81 is: 379,593.75
Step by Step Solution
- Step 1: Write the proportion equation
702,453.70 : 1,053,562.69 = 253,090.81 : x - Step 2: Convert to fraction form
702,453.70/1,053,562.69 = 253,090.81/x - Step 3: Cross multiply
702,453.70x = 1,053,562.69 × 253,090.81 - Step 4: Simplify right side
702,453.70x = 266,647,032,280.34 - Step 5: Solve for x
x = 266,647,032,280.34/702,453.70 - Step 6: Final answer
x = 379,593.75
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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.