Finding the Fourth Proportional to 725,518.86, 1,088,390.97 and 370,340.70
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Solution
The fourth proportional to 725,518.86, 1,088,390.97 and 370,340.70 is: 555,568.57
Step by Step Solution
- Step 1: Write the proportion equation
725,518.86 : 1,088,390.97 = 370,340.70 : x - Step 2: Convert to fraction form
725,518.86/1,088,390.97 = 370,340.70/x - Step 3: Cross multiply
725,518.86x = 1,088,390.97 × 370,340.70 - Step 4: Simplify right side
725,518.86x = 403,075,473,703.48 - Step 5: Solve for x
x = 403,075,473,703.48/725,518.86 - Step 6: Final answer
x = 555,568.57
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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.