Finding the Fourth Proportional to 852,507.49, 1,278,973.08 and 253,467.67
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Solution
The fourth proportional to 852,507.49, 1,278,973.08 and 253,467.67 is: 380,264.49
Step by Step Solution
- Step 1: Write the proportion equation
852,507.49 : 1,278,973.08 = 253,467.67 : x - Step 2: Convert to fraction form
852,507.49/1,278,973.08 = 253,467.67/x - Step 3: Cross multiply
852,507.49x = 1,278,973.08 × 253,467.67 - Step 4: Simplify right side
852,507.49x = 324,178,326,580.32 - Step 5: Solve for x
x = 324,178,326,580.32/852,507.49 - Step 6: Final answer
x = 380,264.49
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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.