Finding the Fourth Proportional to 513,135.58, 708,096.60 and 283,679.12
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Solution
The fourth proportional to 513,135.58, 708,096.60 and 283,679.12 is: 391,460.33
Step by Step Solution
- Step 1: Write the proportion equation
513,135.58 : 708,096.60 = 283,679.12 : x - Step 2: Convert to fraction form
513,135.58/708,096.60 = 283,679.12/x - Step 3: Cross multiply
513,135.58x = 708,096.60 × 283,679.12 - Step 4: Simplify right side
513,135.58x = 200,872,221,932.22 - Step 5: Solve for x
x = 200,872,221,932.22/513,135.58 - Step 6: Final answer
x = 391,460.33
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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.