Finding the Fourth Proportional to 906,863.47, 1,361,147.47 and 474,890.99
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Solution
The fourth proportional to 906,863.47, 1,361,147.47 and 474,890.99 is: 712,782.78
Step by Step Solution
- Step 1: Write the proportion equation
906,863.47 : 1,361,147.47 = 474,890.99 : x - Step 2: Convert to fraction form
906,863.47/1,361,147.47 = 474,890.99/x - Step 3: Cross multiply
906,863.47x = 1,361,147.47 × 474,890.99 - Step 4: Simplify right side
906,863.47x = 646,396,669,227.79 - Step 5: Solve for x
x = 646,396,669,227.79/906,863.47 - Step 6: Final answer
x = 712,782.78
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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.