Finding the Fourth Proportional to 649,230.09, 978,276.60 and 533,494.05
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Solution
The fourth proportional to 649,230.09, 978,276.60 and 533,494.05 is: 803,882.56
Step by Step Solution
- Step 1: Write the proportion equation
649,230.09 : 978,276.60 = 533,494.05 : x - Step 2: Convert to fraction form
649,230.09/978,276.60 = 533,494.05/x - Step 3: Cross multiply
649,230.09x = 978,276.60 × 533,494.05 - Step 4: Simplify right side
649,230.09x = 521,904,745,354.23 - Step 5: Solve for x
x = 521,904,745,354.23/649,230.09 - Step 6: Final answer
x = 803,882.56
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.