Finding the Fourth Proportional to 969,782.14, 1,337,937.49 and 968,286.88
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Solution
The fourth proportional to 969,782.14, 1,337,937.49 and 968,286.88 is: 1,335,874.59
Step by Step Solution
- Step 1: Write the proportion equation
969,782.14 : 1,337,937.49 = 968,286.88 : x - Step 2: Convert to fraction form
969,782.14/1,337,937.49 = 968,286.88/x - Step 3: Cross multiply
969,782.14x = 1,337,937.49 × 968,286.88 - Step 4: Simplify right side
969,782.14x = 1,295,507,317,827.13 - Step 5: Solve for x
x = 1,295,507,317,827.13/969,782.14 - Step 6: Final answer
x = 1,335,874.59
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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.