Finding the Fourth Proportional to 775,774.98, 1,070,858.79 and 453,588.57
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Solution
The fourth proportional to 775,774.98, 1,070,858.79 and 453,588.57 is: 626,121.39
Step by Step Solution
- Step 1: Write the proportion equation
775,774.98 : 1,070,858.79 = 453,588.57 : x - Step 2: Convert to fraction form
775,774.98/1,070,858.79 = 453,588.57/x - Step 3: Cross multiply
775,774.98x = 1,070,858.79 × 453,588.57 - Step 4: Simplify right side
775,774.98x = 485,729,307,228.03 - Step 5: Solve for x
x = 485,729,307,228.03/775,774.98 - Step 6: Final answer
x = 626,121.39
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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.