Finding the Fourth Proportional to 715,014.56, 1,072,660.08 and 271,748
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Solution
The fourth proportional to 715,014.56, 1,072,660.08 and 271,748 is: 407,674.54
Step by Step Solution
- Step 1: Write the proportion equation
715,014.56 : 1,072,660.08 = 271,748 : x - Step 2: Convert to fraction form
715,014.56/1,072,660.08 = 271,748/x - Step 3: Cross multiply
715,014.56x = 1,072,660.08 × 271,748 - Step 4: Simplify right side
715,014.56x = 291,493,231,419.84 - Step 5: Solve for x
x = 291,493,231,419.84/715,014.56 - Step 6: Final answer
x = 407,674.54
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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.