Finding the Fourth Proportional to 918,839.98, 1,378,325.58 and 244,917.76
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Solution
The fourth proportional to 918,839.98, 1,378,325.58 and 244,917.76 is: 367,394.13
Step by Step Solution
- Step 1: Write the proportion equation
918,839.98 : 1,378,325.58 = 244,917.76 : x - Step 2: Convert to fraction form
918,839.98/1,378,325.58 = 244,917.76/x - Step 3: Cross multiply
918,839.98x = 1,378,325.58 × 244,917.76 - Step 4: Simplify right side
918,839.98x = 337,576,413,604.30 - Step 5: Solve for x
x = 337,576,413,604.30/918,839.98 - Step 6: Final answer
x = 367,394.13
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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.