Finding the Fourth Proportional to 806,568.63, 1,209,852.96 and 245,603.13
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Solution
The fourth proportional to 806,568.63, 1,209,852.96 and 245,603.13 is: 368,404.70
Step by Step Solution
- Step 1: Write the proportion equation
806,568.63 : 1,209,852.96 = 245,603.13 : x - Step 2: Convert to fraction form
806,568.63/1,209,852.96 = 245,603.13/x - Step 3: Cross multiply
806,568.63x = 1,209,852.96 × 245,603.13 - Step 4: Simplify right side
806,568.63x = 297,143,673,815.77 - Step 5: Solve for x
x = 297,143,673,815.77/806,568.63 - Step 6: Final answer
x = 368,404.70
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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.