Finding the Fourth Proportional to 766,396.93, 1,057,628.06 and 444,293.75
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Solution
The fourth proportional to 766,396.93, 1,057,628.06 and 444,293.75 is: 613,125.55
Step by Step Solution
- Step 1: Write the proportion equation
766,396.93 : 1,057,628.06 = 444,293.75 : x - Step 2: Convert to fraction form
766,396.93/1,057,628.06 = 444,293.75/x - Step 3: Cross multiply
766,396.93x = 1,057,628.06 × 444,293.75 - Step 4: Simplify right side
766,396.93x = 469,897,536,882.63 - Step 5: Solve for x
x = 469,897,536,882.63/766,396.93 - Step 6: Final answer
x = 613,125.55
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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.