Finding the Fourth Proportional to 414,967.05, 620,974.35 and 288,011.70
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Solution
The fourth proportional to 414,967.05, 620,974.35 and 288,011.70 is: 430,992.96
Step by Step Solution
- Step 1: Write the proportion equation
414,967.05 : 620,974.35 = 288,011.70 : x - Step 2: Convert to fraction form
414,967.05/620,974.35 = 288,011.70/x - Step 3: Cross multiply
414,967.05x = 620,974.35 × 288,011.70 - Step 4: Simplify right side
414,967.05x = 178,847,878,199.90 - Step 5: Solve for x
x = 178,847,878,199.90/414,967.05 - Step 6: Final answer
x = 430,992.96
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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.