Finding the Fourth Proportional to 736,783.44, 1,105,175.16 and 263,440.08
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Solution
The fourth proportional to 736,783.44, 1,105,175.16 and 263,440.08 is: 395,160.12
Step by Step Solution
- Step 1: Write the proportion equation
736,783.44 : 1,105,175.16 = 263,440.08 : x - Step 2: Convert to fraction form
736,783.44/1,105,175.16 = 263,440.08/x - Step 3: Cross multiply
736,783.44x = 1,105,175.16 × 263,440.08 - Step 4: Simplify right side
736,783.44x = 291,147,432,564.41 - Step 5: Solve for x
x = 291,147,432,564.41/736,783.44 - Step 6: Final answer
x = 395,160.12
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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.