Finding the Fourth Proportional to 995,679.14, 1,493,480.23 and 285,707.12
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Solution
The fourth proportional to 995,679.14, 1,493,480.23 and 285,707.12 is: 428,549.63
Step by Step Solution
- Step 1: Write the proportion equation
995,679.14 : 1,493,480.23 = 285,707.12 : x - Step 2: Convert to fraction form
995,679.14/1,493,480.23 = 285,707.12/x - Step 3: Cross multiply
995,679.14x = 1,493,480.23 × 285,707.12 - Step 4: Simplify right side
995,679.14x = 426,697,927,108.57 - Step 5: Solve for x
x = 426,697,927,108.57/995,679.14 - Step 6: Final answer
x = 428,549.63
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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.