Finding the Fourth Proportional to 808,110.60, 1,115,163.54 and 440,579.88
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Solution
The fourth proportional to 808,110.60, 1,115,163.54 and 440,579.88 is: 607,984.38
Step by Step Solution
- Step 1: Write the proportion equation
808,110.60 : 1,115,163.54 = 440,579.88 : x - Step 2: Convert to fraction form
808,110.60/1,115,163.54 = 440,579.88/x - Step 3: Cross multiply
808,110.60x = 1,115,163.54 × 440,579.88 - Step 4: Simplify right side
808,110.60x = 491,318,618,633.58 - Step 5: Solve for x
x = 491,318,618,633.58/808,110.60 - Step 6: Final answer
x = 607,984.38
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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.