Finding the Fourth Proportional to 649,957.82, 974,346.21 and 294,778.08
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Solution
The fourth proportional to 649,957.82, 974,346.21 and 294,778.08 is: 441,899.30
Step by Step Solution
- Step 1: Write the proportion equation
649,957.82 : 974,346.21 = 294,778.08 : x - Step 2: Convert to fraction form
649,957.82/974,346.21 = 294,778.08/x - Step 3: Cross multiply
649,957.82x = 974,346.21 × 294,778.08 - Step 4: Simplify right side
649,957.82x = 287,215,905,039.08 - Step 5: Solve for x
x = 287,215,905,039.08/649,957.82 - Step 6: Final answer
x = 441,899.30
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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.