Finding the Fourth Proportional to 899,146.24, 1,241,176.77 and 555,121.23
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Solution
The fourth proportional to 899,146.24, 1,241,176.77 and 555,121.23 is: 766,286.45
Step by Step Solution
- Step 1: Write the proportion equation
899,146.24 : 1,241,176.77 = 555,121.23 : x - Step 2: Convert to fraction form
899,146.24/1,241,176.77 = 555,121.23/x - Step 3: Cross multiply
899,146.24x = 1,241,176.77 × 555,121.23 - Step 4: Simplify right side
899,146.24x = 689,003,577,537.03 - Step 5: Solve for x
x = 689,003,577,537.03/899,146.24 - Step 6: Final answer
x = 766,286.45
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1.5x scale
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.