Finding the Fourth Proportional to 453,226.05, 679,839.08 and 425,232.45
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Solution
The fourth proportional to 453,226.05, 679,839.08 and 425,232.45 is: 637,848.68
Step by Step Solution
- Step 1: Write the proportion equation
453,226.05 : 679,839.08 = 425,232.45 : x - Step 2: Convert to fraction form
453,226.05/679,839.08 = 425,232.45/x - Step 3: Cross multiply
453,226.05x = 679,839.08 × 425,232.45 - Step 4: Simplify right side
453,226.05x = 289,089,635,467.98 - Step 5: Solve for x
x = 289,089,635,467.98/453,226.05 - Step 6: Final answer
x = 637,848.68
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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.