Finding the Fourth Proportional to 553,861.74, 764,329.98 and 299,212.98
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Solution
The fourth proportional to 553,861.74, 764,329.98 and 299,212.98 is: 412,914.33
Step by Step Solution
- Step 1: Write the proportion equation
553,861.74 : 764,329.98 = 299,212.98 : x - Step 2: Convert to fraction form
553,861.74/764,329.98 = 299,212.98/x - Step 3: Cross multiply
553,861.74x = 764,329.98 × 299,212.98 - Step 4: Simplify right side
553,861.74x = 228,697,451,019.14 - Step 5: Solve for x
x = 228,697,451,019.14/553,861.74 - Step 6: Final answer
x = 412,914.33
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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.