Finding the Fourth Proportional to 876,572.49, 1,209,688.92 and 484,104.23
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Solution
The fourth proportional to 876,572.49, 1,209,688.92 and 484,104.23 is: 668,074.27
Step by Step Solution
- Step 1: Write the proportion equation
876,572.49 : 1,209,688.92 = 484,104.23 : x - Step 2: Convert to fraction form
876,572.49/1,209,688.92 = 484,104.23/x - Step 3: Cross multiply
876,572.49x = 1,209,688.92 × 484,104.23 - Step 4: Simplify right side
876,572.49x = 585,615,523,156.13 - Step 5: Solve for x
x = 585,615,523,156.13/876,572.49 - Step 6: Final answer
x = 668,074.27
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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.