Finding the Fourth Proportional to 775,632.24, 1,163,414.52 and 243,141.12
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Solution
The fourth proportional to 775,632.24, 1,163,414.52 and 243,141.12 is: 364,701.07
Step by Step Solution
- Step 1: Write the proportion equation
775,632.24 : 1,163,414.52 = 243,141.12 : x - Step 2: Convert to fraction form
775,632.24/1,163,414.52 = 243,141.12/x - Step 3: Cross multiply
775,632.24x = 1,163,414.52 × 243,141.12 - Step 4: Simplify right side
775,632.24x = 282,873,909,417.06 - Step 5: Solve for x
x = 282,873,909,417.06/775,632.24 - Step 6: Final answer
x = 364,701.07
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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.