Finding the Fourth Proportional to 546,415.80, 819,623.70 and 493,271.70
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Solution
The fourth proportional to 546,415.80, 819,623.70 and 493,271.70 is: 739,907.55
Step by Step Solution
- Step 1: Write the proportion equation
546,415.80 : 819,623.70 = 493,271.70 : x - Step 2: Convert to fraction form
546,415.80/819,623.70 = 493,271.70/x - Step 3: Cross multiply
546,415.80x = 819,623.70 × 493,271.70 - Step 4: Simplify right side
546,415.80x = 404,297,175,859.29 - Step 5: Solve for x
x = 404,297,175,859.29/546,415.80 - Step 6: Final answer
x = 739,907.55
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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.