Finding the Fourth Proportional to 708,261.38, 977,372.26 and 385,964.62
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Solution
The fourth proportional to 708,261.38, 977,372.26 and 385,964.62 is: 532,615.67
Step by Step Solution
- Step 1: Write the proportion equation
708,261.38 : 977,372.26 = 385,964.62 : x - Step 2: Convert to fraction form
708,261.38/977,372.26 = 385,964.62/x - Step 3: Cross multiply
708,261.38x = 977,372.26 × 385,964.62 - Step 4: Simplify right side
708,261.38x = 377,231,112,929.44 - Step 5: Solve for x
x = 377,231,112,929.44/708,261.38 - Step 6: Final answer
x = 532,615.67
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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.