Finding the Fourth Proportional to 539,489.08, 744,037.84 and 324,588.99
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Solution
The fourth proportional to 539,489.08, 744,037.84 and 324,588.99 is: 447,657.79
Step by Step Solution
- Step 1: Write the proportion equation
539,489.08 : 744,037.84 = 324,588.99 : x - Step 2: Convert to fraction form
539,489.08/744,037.84 = 324,588.99/x - Step 3: Cross multiply
539,489.08x = 744,037.84 × 324,588.99 - Step 4: Simplify right side
539,489.08x = 241,506,491,007.38 - Step 5: Solve for x
x = 241,506,491,007.38/539,489.08 - Step 6: Final answer
x = 447,657.79
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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.