Finding the Fourth Proportional to 722,935.08, 1,084,700.37 and 317,919.08
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Solution
The fourth proportional to 722,935.08, 1,084,700.37 and 317,919.08 is: 477,009.56
Step by Step Solution
- Step 1: Write the proportion equation
722,935.08 : 1,084,700.37 = 317,919.08 : x - Step 2: Convert to fraction form
722,935.08/1,084,700.37 = 317,919.08/x - Step 3: Cross multiply
722,935.08x = 1,084,700.37 × 317,919.08 - Step 4: Simplify right side
722,935.08x = 344,846,943,706.06 - Step 5: Solve for x
x = 344,846,943,706.06/722,935.08 - Step 6: Final answer
x = 477,009.56
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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.