Finding the Fourth Proportional to 698,257.62, 963,596.66 and 396,451.62
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Solution
The fourth proportional to 698,257.62, 963,596.66 and 396,451.62 is: 547,103.88
Step by Step Solution
- Step 1: Write the proportion equation
698,257.62 : 963,596.66 = 396,451.62 : x - Step 2: Convert to fraction form
698,257.62/963,596.66 = 396,451.62/x - Step 3: Cross multiply
698,257.62x = 963,596.66 × 396,451.62 - Step 4: Simplify right side
698,257.62x = 382,019,454,901.33 - Step 5: Solve for x
x = 382,019,454,901.33/698,257.62 - Step 6: Final answer
x = 547,103.88
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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.