Finding the Fourth Proportional to 957,631.98, 1,321,536.12 and 527,902.68
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Solution
The fourth proportional to 957,631.98, 1,321,536.12 and 527,902.68 is: 728,507.90
Step by Step Solution
- Step 1: Write the proportion equation
957,631.98 : 1,321,536.12 = 527,902.68 : x - Step 2: Convert to fraction form
957,631.98/1,321,536.12 = 527,902.68/x - Step 3: Cross multiply
957,631.98x = 1,321,536.12 × 527,902.68 - Step 4: Simplify right side
957,631.98x = 697,642,459,464.80 - Step 5: Solve for x
x = 697,642,459,464.80/957,631.98 - Step 6: Final answer
x = 728,507.90
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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.