Finding the Fourth Proportional to 827,317.56, 1,240,669.86 and 294,697.08
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Solution
The fourth proportional to 827,317.56, 1,240,669.86 and 294,697.08 is: 441,936.45
Step by Step Solution
- Step 1: Write the proportion equation
827,317.56 : 1,240,669.86 = 294,697.08 : x - Step 2: Convert to fraction form
827,317.56/1,240,669.86 = 294,697.08/x - Step 3: Cross multiply
827,317.56x = 1,240,669.86 × 294,697.08 - Step 4: Simplify right side
827,317.56x = 365,621,784,986.01 - Step 5: Solve for x
x = 365,621,784,986.01/827,317.56 - Step 6: Final answer
x = 441,936.45
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1.5x scale
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.