Finding the Fourth Proportional to 874,026.68, 1,206,179.36 and 492,067.12
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Solution
The fourth proportional to 874,026.68, 1,206,179.36 and 492,067.12 is: 679,065.32
Step by Step Solution
- Step 1: Write the proportion equation
874,026.68 : 1,206,179.36 = 492,067.12 : x - Step 2: Convert to fraction form
874,026.68/1,206,179.36 = 492,067.12/x - Step 3: Cross multiply
874,026.68x = 1,206,179.36 × 492,067.12 - Step 4: Simplify right side
874,026.68x = 593,521,203,878.64 - Step 5: Solve for x
x = 593,521,203,878.64/874,026.68 - Step 6: Final answer
x = 679,065.32
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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.