Finding the Fourth Proportional to 894,944.77, 1,235,078.90 and 513,028.96
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Solution
The fourth proportional to 894,944.77, 1,235,078.90 and 513,028.96 is: 708,011.56
Step by Step Solution
- Step 1: Write the proportion equation
894,944.77 : 1,235,078.90 = 513,028.96 : x - Step 2: Convert to fraction form
894,944.77/1,235,078.90 = 513,028.96/x - Step 3: Cross multiply
894,944.77x = 1,235,078.90 × 513,028.96 - Step 4: Simplify right side
894,944.77x = 633,631,243,584.94 - Step 5: Solve for x
x = 633,631,243,584.94/894,944.77 - Step 6: Final answer
x = 708,011.56
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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.