Finding the Fourth Proportional to 667,000.97, 920,460.26 and 361,077.26
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Solution
The fourth proportional to 667,000.97, 920,460.26 and 361,077.26 is: 498,286.04
Step by Step Solution
- Step 1: Write the proportion equation
667,000.97 : 920,460.26 = 361,077.26 : x - Step 2: Convert to fraction form
667,000.97/920,460.26 = 361,077.26/x - Step 3: Cross multiply
667,000.97x = 920,460.26 × 361,077.26 - Step 4: Simplify right side
667,000.97x = 332,357,271,823.53 - Step 5: Solve for x
x = 332,357,271,823.53/667,000.97 - Step 6: Final answer
x = 498,286.04
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.