Finding the Fourth Proportional to 683,611.24, 943,398.18 and 381,805.80
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Solution
The fourth proportional to 683,611.24, 943,398.18 and 381,805.80 is: 526,900.20
Step by Step Solution
- Step 1: Write the proportion equation
683,611.24 : 943,398.18 = 381,805.80 : x - Step 2: Convert to fraction form
683,611.24/943,398.18 = 381,805.80/x - Step 3: Cross multiply
683,611.24x = 943,398.18 × 381,805.80 - Step 4: Simplify right side
683,611.24x = 360,194,896,833.44 - Step 5: Solve for x
x = 360,194,896,833.44/683,611.24 - Step 6: Final answer
x = 526,900.20
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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.