Finding the Fourth Proportional to 878,145.36, 1,317,218.08 and 247,058.88
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Solution
The fourth proportional to 878,145.36, 1,317,218.08 and 247,058.88 is: 370,588.33
Step by Step Solution
- Step 1: Write the proportion equation
878,145.36 : 1,317,218.08 = 247,058.88 : x - Step 2: Convert to fraction form
878,145.36/1,317,218.08 = 247,058.88/x - Step 3: Cross multiply
878,145.36x = 1,317,218.08 × 247,058.88 - Step 4: Simplify right side
878,145.36x = 325,430,423,560.55 - Step 5: Solve for x
x = 325,430,423,560.55/878,145.36 - Step 6: Final answer
x = 370,588.33
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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.