Finding the Fourth Proportional to 811,450.87, 1,119,704.59 and 467,398.71
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Solution
The fourth proportional to 811,450.87, 1,119,704.59 and 467,398.71 is: 644,954.00
Step by Step Solution
- Step 1: Write the proportion equation
811,450.87 : 1,119,704.59 = 467,398.71 : x - Step 2: Convert to fraction form
811,450.87/1,119,704.59 = 467,398.71/x - Step 3: Cross multiply
811,450.87x = 1,119,704.59 × 467,398.71 - Step 4: Simplify right side
811,450.87x = 523,348,480,947.08 - Step 5: Solve for x
x = 523,348,480,947.08/811,450.87 - Step 6: Final answer
x = 644,954.00
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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.