Finding the Fourth Proportional to 448,862.34, 618,869.76 and 287,452.02
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Solution
The fourth proportional to 448,862.34, 618,869.76 and 287,452.02 is: 396,324.99
Step by Step Solution
- Step 1: Write the proportion equation
448,862.34 : 618,869.76 = 287,452.02 : x - Step 2: Convert to fraction form
448,862.34/618,869.76 = 287,452.02/x - Step 3: Cross multiply
448,862.34x = 618,869.76 × 287,452.02 - Step 4: Simplify right side
448,862.34x = 177,895,362,628.92 - Step 5: Solve for x
x = 177,895,362,628.92/448,862.34 - Step 6: Final answer
x = 396,324.99
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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.