Finding the Fourth Proportional to 1,098,142.14, 1,646,602.02 and 339,768.42
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Solution
The fourth proportional to 1,098,142.14, 1,646,602.02 and 339,768.42 is: 509,463.53
Step by Step Solution
- Step 1: Write the proportion equation
1,098,142.14 : 1,646,602.02 = 339,768.42 : x - Step 2: Convert to fraction form
1,098,142.14/1,646,602.02 = 339,768.42/x - Step 3: Cross multiply
1,098,142.14x = 1,646,602.02 × 339,768.42 - Step 4: Simplify right side
1,098,142.14x = 559,463,366,704.21 - Step 5: Solve for x
x = 559,463,366,704.21/1,098,142.14 - Step 6: Final answer
x = 509,463.53
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1.5x scale
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.