Finding the Fourth Proportional to 775,762.24, 1,163,641.44 and 214,794.88
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Solution
The fourth proportional to 775,762.24, 1,163,641.44 and 214,794.88 is: 322,191.79
Step by Step Solution
- Step 1: Write the proportion equation
775,762.24 : 1,163,641.44 = 214,794.88 : x - Step 2: Convert to fraction form
775,762.24/1,163,641.44 = 214,794.88/x - Step 3: Cross multiply
775,762.24x = 1,163,641.44 × 214,794.88 - Step 4: Simplify right side
775,762.24x = 249,944,223,467.83 - Step 5: Solve for x
x = 249,944,223,467.83/775,762.24 - Step 6: Final answer
x = 322,191.79
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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.