Finding the Fourth Proportional to 840,207.80, 1,260,311.70 and 735,231.80
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Solution
The fourth proportional to 840,207.80, 1,260,311.70 and 735,231.80 is: 1,102,847.70
Step by Step Solution
- Step 1: Write the proportion equation
840,207.80 : 1,260,311.70 = 735,231.80 : x - Step 2: Convert to fraction form
840,207.80/1,260,311.70 = 735,231.80/x - Step 3: Cross multiply
840,207.80x = 1,260,311.70 × 735,231.80 - Step 4: Simplify right side
840,207.80x = 926,621,239,752.06 - Step 5: Solve for x
x = 926,621,239,752.06/840,207.80 - Step 6: Final answer
x = 1,102,847.70
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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.