Finding the Fourth Proportional to 810,740.95, 1,118,806.02 and 448,180.09
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Solution
The fourth proportional to 810,740.95, 1,118,806.02 and 448,180.09 is: 618,479.41
Step by Step Solution
- Step 1: Write the proportion equation
810,740.95 : 1,118,806.02 = 448,180.09 : x - Step 2: Convert to fraction form
810,740.95/1,118,806.02 = 448,180.09/x - Step 3: Cross multiply
810,740.95x = 1,118,806.02 × 448,180.09 - Step 4: Simplify right side
810,740.95x = 501,426,579,939.13 - Step 5: Solve for x
x = 501,426,579,939.13/810,740.95 - Step 6: Final answer
x = 618,479.41
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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.