Finding the Fourth Proportional to 930,681.36, 1,396,027.44 and 331,665.57
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Solution
The fourth proportional to 930,681.36, 1,396,027.44 and 331,665.57 is: 497,500.28
Step by Step Solution
- Step 1: Write the proportion equation
930,681.36 : 1,396,027.44 = 331,665.57 : x - Step 2: Convert to fraction form
930,681.36/1,396,027.44 = 331,665.57/x - Step 3: Cross multiply
930,681.36x = 1,396,027.44 × 331,665.57 - Step 4: Simplify right side
930,681.36x = 463,014,236,623.24 - Step 5: Solve for x
x = 463,014,236,623.24/930,681.36 - Step 6: Final answer
x = 497,500.28
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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.