Finding the Fourth Proportional to 774,664.65, 1,069,063.17 and 430,515.09
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Solution
The fourth proportional to 774,664.65, 1,069,063.17 and 430,515.09 is: 594,125.24
Step by Step Solution
- Step 1: Write the proportion equation
774,664.65 : 1,069,063.17 = 430,515.09 : x - Step 2: Convert to fraction form
774,664.65/1,069,063.17 = 430,515.09/x - Step 3: Cross multiply
774,664.65x = 1,069,063.17 × 430,515.09 - Step 4: Simplify right side
774,664.65x = 460,247,821,502.92 - Step 5: Solve for x
x = 460,247,821,502.92/774,664.65 - Step 6: Final answer
x = 594,125.24
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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.