Finding the Fourth Proportional to 899,107.54, 1,348,855.71 and 478,322.26
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Solution
The fourth proportional to 899,107.54, 1,348,855.71 and 478,322.26 is: 717,586.81
Step by Step Solution
- Step 1: Write the proportion equation
899,107.54 : 1,348,855.71 = 478,322.26 : x - Step 2: Convert to fraction form
899,107.54/1,348,855.71 = 478,322.26/x - Step 3: Cross multiply
899,107.54x = 1,348,855.71 × 478,322.26 - Step 4: Simplify right side
899,107.54x = 645,187,711,621.11 - Step 5: Solve for x
x = 645,187,711,621.11/899,107.54 - Step 6: Final answer
x = 717,586.81
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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.