Finding the Fourth Proportional to 840,450.87, 1,159,819.79 and 458,474.92
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Solution
The fourth proportional to 840,450.87, 1,159,819.79 and 458,474.92 is: 632,694.07
Step by Step Solution
- Step 1: Write the proportion equation
840,450.87 : 1,159,819.79 = 458,474.92 : x - Step 2: Convert to fraction form
840,450.87/1,159,819.79 = 458,474.92/x - Step 3: Cross multiply
840,450.87x = 1,159,819.79 × 458,474.92 - Step 4: Simplify right side
840,450.87x = 531,748,280,242.74 - Step 5: Solve for x
x = 531,748,280,242.74/840,450.87 - Step 6: Final answer
x = 632,694.07
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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.