Finding the Fourth Proportional to 775,800, 1,070,487.36 and 436,260.96
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Solution
The fourth proportional to 775,800, 1,070,487.36 and 436,260.96 is: 601,974.53
Step by Step Solution
- Step 1: Write the proportion equation
775,800 : 1,070,487.36 = 436,260.96 : x - Step 2: Convert to fraction form
775,800/1,070,487.36 = 436,260.96/x - Step 3: Cross multiply
775,800x = 1,070,487.36 × 436,260.96 - Step 4: Simplify right side
775,800x = 467,011,843,341.47 - Step 5: Solve for x
x = 467,011,843,341.47/775,800 - Step 6: Final answer
x = 601,974.53
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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.