Finding the Fourth Proportional to 768,205.84, 1,060,124.08 and 424,041.84
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Solution
The fourth proportional to 768,205.84, 1,060,124.08 and 424,041.84 is: 585,177.75
Step by Step Solution
- Step 1: Write the proportion equation
768,205.84 : 1,060,124.08 = 424,041.84 : x - Step 2: Convert to fraction form
768,205.84/1,060,124.08 = 424,041.84/x - Step 3: Cross multiply
768,205.84x = 1,060,124.08 × 424,041.84 - Step 4: Simplify right side
768,205.84x = 449,536,965,511.51 - Step 5: Solve for x
x = 449,536,965,511.51/768,205.84 - Step 6: Final answer
x = 585,177.75
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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.