Finding the Fourth Proportional to 750,901.96, 1,036,319.07 and 428,660.56
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Solution
The fourth proportional to 750,901.96, 1,036,319.07 and 428,660.56 is: 591,594.02
Step by Step Solution
- Step 1: Write the proportion equation
750,901.96 : 1,036,319.07 = 428,660.56 : x - Step 2: Convert to fraction form
750,901.96/1,036,319.07 = 428,660.56/x - Step 3: Cross multiply
750,901.96x = 1,036,319.07 × 428,660.56 - Step 4: Simplify right side
750,901.96x = 444,229,112,884.88 - Step 5: Solve for x
x = 444,229,112,884.88/750,901.96 - Step 6: Final answer
x = 591,594.02
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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.