Finding the Fourth Proportional to 775,512.30, 1,163,304.90 and 243,050.70
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Solution
The fourth proportional to 775,512.30, 1,163,304.90 and 243,050.70 is: 364,587.47
Step by Step Solution
- Step 1: Write the proportion equation
775,512.30 : 1,163,304.90 = 243,050.70 : x - Step 2: Convert to fraction form
775,512.30/1,163,304.90 = 243,050.70/x - Step 3: Cross multiply
775,512.30x = 1,163,304.90 × 243,050.70 - Step 4: Simplify right side
775,512.30x = 282,742,070,258.43 - Step 5: Solve for x
x = 282,742,070,258.43/775,512.30 - Step 6: Final answer
x = 364,587.47
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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.