Finding the Fourth Proportional to 856,801.80, 1,285,202.70 and 541,873.80
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Solution
The fourth proportional to 856,801.80, 1,285,202.70 and 541,873.80 is: 812,810.70
Step by Step Solution
- Step 1: Write the proportion equation
856,801.80 : 1,285,202.70 = 541,873.80 : x - Step 2: Convert to fraction form
856,801.80/1,285,202.70 = 541,873.80/x - Step 3: Cross multiply
856,801.80x = 1,285,202.70 × 541,873.80 - Step 4: Simplify right side
856,801.80x = 696,417,670,819.26 - Step 5: Solve for x
x = 696,417,670,819.26/856,801.80 - Step 6: Final answer
x = 812,810.70
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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.