Finding the Fourth Proportional to 453,750.20, 679,934.10 and 383,247.80
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Solution
The fourth proportional to 453,750.20, 679,934.10 and 383,247.80 is: 574,287.90
Step by Step Solution
- Step 1: Write the proportion equation
453,750.20 : 679,934.10 = 383,247.80 : x - Step 2: Convert to fraction form
453,750.20/679,934.10 = 383,247.80/x - Step 3: Cross multiply
453,750.20x = 679,934.10 × 383,247.80 - Step 4: Simplify right side
453,750.20x = 260,583,247,969.98 - Step 5: Solve for x
x = 260,583,247,969.98/453,750.20 - Step 6: Final answer
x = 574,287.90
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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.