Finding the Fourth Proportional to 627,739.80, 941,609.70 and 581,659.80
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Solution
The fourth proportional to 627,739.80, 941,609.70 and 581,659.80 is: 872,489.70
Step by Step Solution
- Step 1: Write the proportion equation
627,739.80 : 941,609.70 = 581,659.80 : x - Step 2: Convert to fraction form
627,739.80/941,609.70 = 581,659.80/x - Step 3: Cross multiply
627,739.80x = 941,609.70 × 581,659.80 - Step 4: Simplify right side
627,739.80x = 547,696,509,780.06 - Step 5: Solve for x
x = 547,696,509,780.06/627,739.80 - Step 6: Final answer
x = 872,489.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.