Finding the Fourth Proportional to 639,984.24, 960,073.56 and 240,652.62
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Solution
The fourth proportional to 639,984.24, 960,073.56 and 240,652.62 is: 361,015.48
Step by Step Solution
- Step 1: Write the proportion equation
639,984.24 : 960,073.56 = 240,652.62 : x - Step 2: Convert to fraction form
639,984.24/960,073.56 = 240,652.62/x - Step 3: Cross multiply
639,984.24x = 960,073.56 × 240,652.62 - Step 4: Simplify right side
639,984.24x = 231,044,217,606.73 - Step 5: Solve for x
x = 231,044,217,606.73/639,984.24 - Step 6: Final answer
x = 361,015.48
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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.