Finding the Fourth Proportional to 608,415.20, 910,709.34 and 417,759.82
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Solution
The fourth proportional to 608,415.20, 910,709.34 and 417,759.82 is: 625,325.88
Step by Step Solution
- Step 1: Write the proportion equation
608,415.20 : 910,709.34 = 417,759.82 : x - Step 2: Convert to fraction form
608,415.20/910,709.34 = 417,759.82/x - Step 3: Cross multiply
608,415.20x = 910,709.34 × 417,759.82 - Step 4: Simplify right side
608,415.20x = 380,457,769,950.72 - Step 5: Solve for x
x = 380,457,769,950.72/608,415.20 - Step 6: Final answer
x = 625,325.88
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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.