Finding the Fourth Proportional to 775,485.74, 1,163,228.88 and 243,048.08
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Solution
The fourth proportional to 775,485.74, 1,163,228.88 and 243,048.08 is: 364,572.20
Step by Step Solution
- Step 1: Write the proportion equation
775,485.74 : 1,163,228.88 = 243,048.08 : x - Step 2: Convert to fraction form
775,485.74/1,163,228.88 = 243,048.08/x - Step 3: Cross multiply
775,485.74x = 1,163,228.88 × 243,048.08 - Step 4: Simplify right side
775,485.74x = 282,720,545,884.55 - Step 5: Solve for x
x = 282,720,545,884.55/775,485.74 - Step 6: Final answer
x = 364,572.20
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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.