Finding the Fourth Proportional to 766,311.12, 1,057,508.88 and 444,207.84
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Solution
The fourth proportional to 766,311.12, 1,057,508.88 and 444,207.84 is: 613,006.55
Step by Step Solution
- Step 1: Write the proportion equation
766,311.12 : 1,057,508.88 = 444,207.84 : x - Step 2: Convert to fraction form
766,311.12/1,057,508.88 = 444,207.84/x - Step 3: Cross multiply
766,311.12x = 1,057,508.88 × 444,207.84 - Step 4: Simplify right side
766,311.12x = 469,753,735,365.62 - Step 5: Solve for x
x = 469,753,735,365.62/766,311.12 - Step 6: Final answer
x = 613,006.55
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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.