Finding the Fourth Proportional to 841,873.49, 1,262,821.17 and 280,907.99
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Solution
The fourth proportional to 841,873.49, 1,262,821.17 and 280,907.99 is: 421,365.63
Step by Step Solution
- Step 1: Write the proportion equation
841,873.49 : 1,262,821.17 = 280,907.99 : x - Step 2: Convert to fraction form
841,873.49/1,262,821.17 = 280,907.99/x - Step 3: Cross multiply
841,873.49x = 1,262,821.17 × 280,907.99 - Step 4: Simplify right side
841,873.49x = 354,736,550,280.04 - Step 5: Solve for x
x = 354,736,550,280.04/841,873.49 - Step 6: Final answer
x = 421,365.63
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1.5x scale
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.