Finding the Fourth Proportional to 873,792.74, 1,206,205.62 and 587,478.80
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Solution
The fourth proportional to 873,792.74, 1,206,205.62 and 587,478.80 is: 810,970.61
Step by Step Solution
- Step 1: Write the proportion equation
873,792.74 : 1,206,205.62 = 587,478.80 : x - Step 2: Convert to fraction form
873,792.74/1,206,205.62 = 587,478.80/x - Step 3: Cross multiply
873,792.74x = 1,206,205.62 × 587,478.80 - Step 4: Simplify right side
873,792.74x = 708,620,230,190.86 - Step 5: Solve for x
x = 708,620,230,190.86/873,792.74 - Step 6: Final answer
x = 810,970.61
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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.