Finding the Fourth Proportional to 888,131.64, 1,225,631.34 and 485,715
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Solution
The fourth proportional to 888,131.64, 1,225,631.34 and 485,715 is: 670,291.99
Step by Step Solution
- Step 1: Write the proportion equation
888,131.64 : 1,225,631.34 = 485,715 : x - Step 2: Convert to fraction form
888,131.64/1,225,631.34 = 485,715/x - Step 3: Cross multiply
888,131.64x = 1,225,631.34 × 485,715 - Step 4: Simplify right side
888,131.64x = 595,307,526,308.10 - Step 5: Solve for x
x = 595,307,526,308.10/888,131.64 - Step 6: Final answer
x = 670,291.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.