Finding the Fourth Proportional to 670,863.18, 925,808.09 and 364,956.76
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Solution
The fourth proportional to 670,863.18, 925,808.09 and 364,956.76 is: 503,649.52
Step by Step Solution
- Step 1: Write the proportion equation
670,863.18 : 925,808.09 = 364,956.76 : x - Step 2: Convert to fraction form
670,863.18/925,808.09 = 364,956.76/x - Step 3: Cross multiply
670,863.18x = 925,808.09 × 364,956.76 - Step 4: Simplify right side
670,863.18x = 337,879,920,908.19 - Step 5: Solve for x
x = 337,879,920,908.19/670,863.18 - Step 6: Final answer
x = 503,649.52
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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.