Finding the Fourth Proportional to 743,593.35, 1,115,387.75 and 211,114.74
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Solution
The fourth proportional to 743,593.35, 1,115,387.75 and 211,114.74 is: 316,671.46
Step by Step Solution
- Step 1: Write the proportion equation
743,593.35 : 1,115,387.75 = 211,114.74 : x - Step 2: Convert to fraction form
743,593.35/1,115,387.75 = 211,114.74/x - Step 3: Cross multiply
743,593.35x = 1,115,387.75 × 211,114.74 - Step 4: Simplify right side
743,593.35x = 235,474,794,840.44 - Step 5: Solve for x
x = 235,474,794,840.44/743,593.35 - Step 6: Final answer
x = 316,671.46
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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.