Finding the Fourth Proportional to 810,287.01, 1,118,098.84 and 447,688.53
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Solution
The fourth proportional to 810,287.01, 1,118,098.84 and 447,688.53 is: 617,756.45
Step by Step Solution
- Step 1: Write the proportion equation
810,287.01 : 1,118,098.84 = 447,688.53 : x - Step 2: Convert to fraction form
810,287.01/1,118,098.84 = 447,688.53/x - Step 3: Cross multiply
810,287.01x = 1,118,098.84 × 447,688.53 - Step 4: Simplify right side
810,287.01x = 500,560,026,074.31 - Step 5: Solve for x
x = 500,560,026,074.31/810,287.01 - Step 6: Final answer
x = 617,756.45
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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.