Finding the Fourth Proportional to 644,515.80, 966,773.70 and 364,579.80
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Solution
The fourth proportional to 644,515.80, 966,773.70 and 364,579.80 is: 546,869.70
Step by Step Solution
- Step 1: Write the proportion equation
644,515.80 : 966,773.70 = 364,579.80 : x - Step 2: Convert to fraction form
644,515.80/966,773.70 = 364,579.80/x - Step 3: Cross multiply
644,515.80x = 966,773.70 × 364,579.80 - Step 4: Simplify right side
644,515.80x = 352,466,162,191.26 - Step 5: Solve for x
x = 352,466,162,191.26/644,515.80 - Step 6: Final answer
x = 546,869.70
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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.