Finding the Fourth Proportional to 787,907.93, 1,087,192.95 and 443,725.84
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Solution
The fourth proportional to 787,907.93, 1,087,192.95 and 443,725.84 is: 612,274.08
Step by Step Solution
- Step 1: Write the proportion equation
787,907.93 : 1,087,192.95 = 443,725.84 : x - Step 2: Convert to fraction form
787,907.93/1,087,192.95 = 443,725.84/x - Step 3: Cross multiply
787,907.93x = 1,087,192.95 × 443,725.84 - Step 4: Simplify right side
787,907.93x = 482,415,599,544.86 - Step 5: Solve for x
x = 482,415,599,544.86/787,907.93 - Step 6: Final answer
x = 612,274.08
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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.